[8.9] [Security Solution] [Timeline] Add filter.meta.relation to timeline filters saved object mapping (#161722) (#161817)

# Backport

This will backport the following commits from `main` to `8.9`:
- [[Security Solution] [Timeline] Add filter.meta.relation to timeline
filters saved object mapping
(#161722)](https://github.com/elastic/kibana/pull/161722)

<!--- Backport version: 8.9.7 -->

### Questions ?
Please refer to the [Backport tool
documentation](https://github.com/sqren/backport)

<!--BACKPORT [{"author":{"name":"Kevin
Qualters","email":"56408403+kqualters-elastic@users.noreply.github.com"},"sourceCommit":{"committedDate":"2023-07-12T22:09:13Z","message":"[Security
Solution] [Timeline] Add filter.meta.relation to timeline filters saved
object mapping (#161722)\n\n## Summary\r\n\r\nWithout this mapping,
timelines that try to make use of a top level OR\r\nfilter from the
unified search filter builder cannot be saved,\r\neverything works as
expected with this change.\r\n\r\n---------\r\n\r\nCo-authored-by:
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Solution] [Timeline] Add filter.meta.relation to timeline filters saved
object mapping (#161722)\n\n## Summary\r\n\r\nWithout this mapping,
timelines that try to make use of a top level OR\r\nfilter from the
unified search filter builder cannot be saved,\r\neverything works as
expected with this change.\r\n\r\n---------\r\n\r\nCo-authored-by:
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Solution] [Timeline] Add filter.meta.relation to timeline filters saved
object mapping (#161722)\n\n## Summary\r\n\r\nWithout this mapping,
timelines that try to make use of a top level OR\r\nfilter from the
unified search filter builder cannot be saved,\r\neverything works as
expected with this change.\r\n\r\n---------\r\n\r\nCo-authored-by:
kibanamachine
<42973632+kibanamachine@users.noreply.github.com>","sha":"2caa973c61735002df5b9aaf444f1ca543c279c1"}}]}]
BACKPORT-->

Co-authored-by: Kevin Qualters <56408403+kqualters-elastic@users.noreply.github.com>

packages/kbn-check-mappings-update-cli/current_mappings.json

@@ -616,6 +616,30 @@
       }
     }
   },
+  "tag": {
+    "properties": {
+      "name": {
+        "type": "text"
+      },
+      "description": {
+        "type": "text"
+      },
+      "color": {
+        "type": "text"
+      }
+    }
+  },
+  "search": {
+    "dynamic": false,
+    "properties": {
+      "title": {
+        "type": "text"
+      },
+      "description": {
+        "type": "text"
+      }
+    }
+  },
   "alert": {
     "dynamic": false,
     "properties": {
@@ -874,30 +898,6 @@
       }
     }
   },
-  "tag": {
-    "properties": {
-      "name": {
-        "type": "text"
-      },
-      "description": {
-        "type": "text"
-      },
-      "color": {
-        "type": "text"
-      }
-    }
-  },
-  "search": {
-    "dynamic": false,
-    "properties": {
-      "title": {
-        "type": "text"
-      },
-      "description": {
-        "type": "text"
-      }
-    }
-  },
   "graph-workspace": {
     "properties": {
       "description": {
@@ -2154,6 +2154,14 @@
       }
     }
   },
+  "infrastructure-monitoring-log-view": {
+    "dynamic": false,
+    "properties": {
+      "name": {
+        "type": "text"
+      }
+    }
+  },
   "ml-job": {
     "properties": {
       "job_id": {
@@ -2691,6 +2699,9 @@
               },
               "value": {
                 "type": "text"
+              },
+              "relation": {
+                "type": "keyword"
               }
             }
           },
@@ -2827,14 +2838,6 @@
     "dynamic": false,
     "properties": {}
   },
-  "infrastructure-monitoring-log-view": {
-    "dynamic": false,
-    "properties": {
-      "name": {
-        "type": "text"
-      }
-    }
-  },
   "metrics-explorer-view": {
     "dynamic": false,
     "properties": {}
@@ -2871,18 +2874,6 @@
       }
     }
   },
-  "enterprise_search_telemetry": {
-    "dynamic": false,
-    "properties": {}
-  },
-  "app_search_telemetry": {
-    "dynamic": false,
-    "properties": {}
-  },
-  "workplace_search_telemetry": {
-    "dynamic": false,
-    "properties": {}
-  },
   "apm-indices": {
     "dynamic": false,
     "properties": {}
@@ -2914,5 +2905,17 @@
         "type": "text"
       }
     }
+  },
+  "enterprise_search_telemetry": {
+    "dynamic": false,
+    "properties": {}
+  },
+  "app_search_telemetry": {
+    "dynamic": false,
+    "properties": {}
+  },
+  "workplace_search_telemetry": {
+    "dynamic": false,
+    "properties": {}
   }
 }

src/core/server/integration_tests/saved_objects/migrations/group2/check_registered_types.test.ts

@@ -134,7 +134,7 @@ describe('checking migration metadata changes on all registered SO types', () =>
         "security-rule": "07abb4d7e707d91675ec0495c73816394c7b521f",
         "security-solution-signals-migration": "9d99715fe5246f19de2273ba77debd2446c36bb1",
         "siem-detection-engine-rule-actions": "54f08e23887b20da7c805fab7c60bc67c428aff9",
-        "siem-ui-timeline": "670a02b3c2a399bca781ff1e4781793b208b471a",
+        "siem-ui-timeline": "820b5a7c478cd4d5ae9cd92ce0d05ac988fee69c",
         "siem-ui-timeline-note": "0a32fb776907f596bedca292b8c646496ae9c57b",
         "siem-ui-timeline-pinned-event": "082daa3ce647b33873f6abccf340bdfa32057c8d",
         "slo": "2048ab6791df2e1ae0936f29c20765cb8d2fcfaa",

x-pack/plugins/security_solution/server/lib/timeline/saved_object_mappings/timelines.ts

@@ -213,6 +213,9 @@ export const timelineSavedObjectMappings: SavedObjectsType['mappings'] = {
             value: {
               type: 'text',
             },
+            relation: {
+              type: 'keyword',
+            },
           },
         },
         exists: {