SavedObjects tagging MVP (#79096)

* create xpack plugin skeleton, start to implement management section

* add tag creation modal

* first implementation of the tags table

* use InMemoryTable

* add edit modal and delete action

* update plugin list

* add tag list, fix types

* add capabilities check on client-side

* add tag combo box component

* add missing i18n keys

* fix privilege FTR tests

* add base structure for FTR tests

* fix feature ftr test

* use string literals for i18n

* create savedObjectsTaggingOss plugin, move API types to oss plugin, start to wire to SO management page.

* update plugin list

* fix types

* allow to use `_find` with multiple references

* add FTR test for _find API on references fields

* add _find integration tests

* update generated doc

* start to implement tag filtering on SO management section

* update generated docs

* wire tagging API to dashboard listing page

* fix i18n namespace

* fix type & tests

* update dashboard listing snapshots

* adapt FTR listingTable service to search for parsable queries

* wite tagging API to visualize listing

* update tagging plugin limits

* add server-side and client-side validation for tag create/edit

* rename title field to name

* fix types

* fix types bis

* add removeReferencesTo API to SOR/SOC

* update generated doc

* add server-side unit test for `savedObjectsTagging` plugin

* move tagging API types to its own file

* add savedObjectsTaggingOss mock

* add tags_cache tests

* add tests for client-side tag client

* extract uiApi to distinct files

* various API improvements

* add more tests

* add link between tag and so management sections + add connection counts

* add base functional test suite for tagging

* add more FTR tests

* improve feature control func test

* update codeowners

* update generated doc

* fix access to proxy modal

* adapt SO save modal to allow to add tag field

* add SO decorator registry and tag implementation

* add unit tests for SO tag decorator

* add functional tests for visualize integration

* add tag SO read permission for vis/dash feature

* add RBAC api integ tests

* add API integration tests

* add test for getTagConnectionsUrl

* add SOM test suite

* add dashboard integration suite

* remove test line

* add missing unit tests

* improve API types doc

* fix create modal save button label

* remove console.log

* improve doc

* self review

* add refresh interval for tag cache

* improve page object doc

* minor cleanup

* address review comments

* small layout fixes

* add initial focus

* use lazy accessor for tag request handler context

* adapt SOM export and export route to handle references

* remove icon from feature config due to master changes

* fix SO table tests

* update generated docs

* sort tags by name in filter dropdown and listing component

* wire SO tagging to dashboard save modal

* fix types

* - add 'create tag' action in tag selector
- add notifications on update/create/delete from management
- delete modal wording

* add description max length validation

* remove real-time validation

* fix i18n bundle id

* update expected size of savedObjectsTagging plugin

* use own useIfMounted

* update limit again, contract components cannot be lazy loaded atm.

* math is hard

* remove single usage of lodash for bundle size

* add async imports for create/edit modal

* add FTR test for 'create tag' action from tag selector

* allow 'create new' option to prepopulate name field

* extract savedObjectToTag

* add advancedSettings read user for security api_integ suite

* add audit login for security client wrapper

* use import type when possible

* wire SO tagging to lens visualization

* fix lens jest test

* Fix `create tag` option being selected when closing the selector dropdown

* add sorting to tag column from getTableColumnDef

* address some of restrry comments

* rename tag selector's setSelected option to onTagsSelected

* fix audit logging even type for saved_object_remove_references

* update plugin size limit to current size

* adapt maxlength validation wording

* remove selection column until we have batch action menu

* remove connections link when user lack read privilege to savedObjectManagement

* forbid registering multiple SO decorators with the same priority

* add so decorator test

* extract getTagFindReferences and create API mock

* update audit-logging ascidoc

* doc nit

* throw conflict error if update returns any failure

* use refresh=true as default

* wording nits

* export: rename `references` to `hasReference`

* update generated doc

* set description max length to 100

* do not initialize tag cache on anonymous pages

* split fetchObjectsToExport into two distinct functions

* change tag client `delete` call order

* tsdoc nits

* more nits

* add README for oss plugin

* add oss plugin start tests

* SavedObject.find: rename `references` to `hasReference`

* change section description label

* remove url prefix constants

* last nits and comments

* update generated doc

x-pack/plugins/features/server/oss_features.ts

@@ -88,7 +88,7 @@ export const buildOSSFeatures = ({ savedObjectTypes, includeTimelion }: BuildOSS
           catalogue: ['visualize'],
           savedObject: {
             all: ['visualization', 'query', 'lens'],
-            read: ['index-pattern', 'search'],
+            read: ['index-pattern', 'search', 'tag'],
           },
           ui: ['show', 'delete', 'save', 'saveQuery'],
         },
@@ -97,7 +97,7 @@ export const buildOSSFeatures = ({ savedObjectTypes, includeTimelion }: BuildOSS
           catalogue: ['visualize'],
           savedObject: {
             all: [],
-            read: ['index-pattern', 'search', 'visualization', 'query', 'lens'],
+            read: ['index-pattern', 'search', 'visualization', 'query', 'lens', 'tag'],
           },
           ui: ['show'],
         },
@@ -155,6 +155,7 @@ export const buildOSSFeatures = ({ savedObjectTypes, includeTimelion }: BuildOSS
               'canvas-workpad',
               'lens',
               'map',
+              'tag',
             ],
           },
           ui: ['createNew', 'show', 'showWriteControls', 'saveQuery'],
@@ -174,6 +175,7 @@ export const buildOSSFeatures = ({ savedObjectTypes, includeTimelion }: BuildOSS
               'map',
               'dashboard',
               'query',
+              'tag',
             ],
           },
           ui: ['show'],