- Closes https://github.com/elastic/kibana/issues/89726
## Summary
This PR extends Data View Field flyout with a new textarea to enter and
save a custom field description. This description will be shown in a
field popover for Discover sidebar, in Doc Viewer and also on Data View
management page. Current limit for the custom description is 300.
When creating/editing a field:
<img width="600" alt="Screenshot 2024-03-07 at 18 59 24"
src="433e66d1-9366-4906-8aea-33b77ae81c16">
In the field popover(truncated):
<img width="500" alt="Screenshot 2024-03-07 at 18 56 52"
src="8753a11d-6b27-40c1-adaa-de35addb50df">
In the field popover(expanded):
<img width="500" alt="Screenshot 2024-03-07 at 18 57 00"
src="b593169e-305e-4d4b-853a-4937324e2470">
In Doc Viewer popover(always expanded):
<img width="500" alt="Screenshot 2024-03-07 at 18 57 21"
src="106562a2-baad-4952-a9cc-fa779f96c1e1">
On Data View Management page(truncated):
<img width="500" alt="Screenshot 2024-03-07 at 18 57 42"
src="031ed482-5c84-484f-ae9e-6b1e7622c17c">
<details>
<summary>Initial implementation examples</summary>
<img width="600" alt="Screenshot 2023-10-11 at 11 52 22"
src="8e40da6f-fcfc-4e36-9314-d3fc34e6ecab">
<img width="600" alt="Screenshot 2023-10-11 at 11 46 44"
src="d5ee22a7-0314-4742-b75f-6534e1b4024d">
<img width="600" alt="Screenshot 2023-10-11 at 11 46 29"
src="dcd809df-7942-4165-8b83-4a83267cea00">
<img width="600" alt="Screenshot 2023-10-11 at 11 47 15"
src="197add4d-b185-4631-a2b9-eaf013aad8ba">
<img width="600" alt="Screenshot 2023-10-11 at 12 05 29"
src="9b619e20-c3d1-4c20-ac65-8b922ad1da72">
</details>
### Checklist
- [x] Any text added follows [EUI's writing
guidelines](https://elastic.github.io/eui/#/guidelines/writing), uses
sentence case text and includes [i18n
support](https://github.com/elastic/kibana/blob/main/packages/kbn-i18n/README.md)
- [x] This renders correctly on smaller devices using a responsive
layout. (You can test this [in your
browser](https://www.browserstack.com/guide/responsive-testing-on-local-server))
- [x] This was checked for [cross-browser
compatibility](https://www.elastic.co/support/matrix#matrix_browsers)
---------
Co-authored-by: kibanamachine <42973632+kibanamachine@users.noreply.github.com>
Co-authored-by: Matthew Kime <matt@mattki.me>
Co-authored-by: amyjtechwriter <61687663+amyjtechwriter@users.noreply.github.com>
* [Lens] Fixes flakiness in editing pre-existing runtime field
* Field editor changes
* Unskip test
Co-authored-by: Kibana Machine <42973632+kibanamachine@users.noreply.github.com>
* [Discover] Updating a functional test
* [Discover] Support for edit operation
* Fix unit tests
* Fix typescript
* Fixing failing functional test
* Fixing wrongly commented line
* Uncomment accidentally commented line
* Reintroducing accidnetally removed unit test
* Trigger data refetch onSave
* Remove refreshAppState variable
* Bundling observers together
* Clean state before refetch
* Update formatting in data grid
* [Discover] Updating a functional test
* Adding a functional test
* Fixing package.json
* Reset fieldCount after data fetch
* [Discover] Updating a functional test
* Don't allow editing of unmapped fields
* Fix issues with mobile display
* Allow editing if it's a runtime field
* [Discover] Updating a functional test
Co-authored-by: Kibana Machine <42973632+kibanamachine@users.noreply.github.com>
