[Workspace] Add optional workspaces parameter to all saved objects API

[gaobinlong]

Description

The main change of this PR are:

1. Add workspaces field to the mappings of the OSD index(.kibana)
2. Add optional workspaces parameter to all the saved objects API
3. Update some test snapshot because of the above change.

Check List

• All tests pass
  • yarn test:jest
  • yarn test:jest_integration
  • yarn test:ftr
• New functionality includes testing.
• New functionality has been documented.
• Update CHANGELOG.md
• Commits are signed per the DCO using --signoff

[codecov-commenter]

Codecov Report

Merging #185 (5b0e31b) into workspace-pr-integr (d7d712e) will decrease coverage by 0.03%.
Report is 5 commits behind head on workspace-pr-integr.
The diff coverage is 67.41%.

@@                   Coverage Diff                   @@
##           workspace-pr-integr     #185      +/-   ##
=======================================================
- Coverage                66.49%   66.47%   -0.03%     
=======================================================
  Files                     3408     3408              
  Lines                    65149    65222      +73     
  Branches                 10431    10457      +26     
=======================================================
+ Hits                     43323    43355      +32     
- Misses                   19237    19344     +107     
+ Partials                  2589     2523      -66     

Flag	Coverage Δ
Linux_	66.05% <67.41%> (?)
Linux_1	?
Linux_2	?
Linux_3	?
Linux_4	?
Windows_1	?
Windows_2	?
Windows_3	?
Windows_4	?
_1	34.82% <ø> (?)
_2	55.45% <67.41%> (?)
_3	44.49% <1.12%> (?)
_4	34.82% <1.12%> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
.../core/public/saved_objects/saved_objects_client.ts	92.55% <ø> (ø)
...ore/server/saved_objects/import/check_conflicts.ts	100.00% <ø> (ø)
...erver/saved_objects/import/create_saved_objects.ts	100.00% <ø> (ø)
...core/server/saved_objects/import/regenerate_ids.ts	100.00% <100.00%> (ø)
...rver/saved_objects/import/resolve_import_errors.ts	96.42% <ø> (ø)
...d_objects/migrations/core/build_active_mappings.ts	87.09% <ø> (ø)
...e/server/saved_objects/serialization/serializer.ts	100.00% <100.00%> (ø)
...saved_objects/service/lib/search_dsl/search_dsl.ts	100.00% <ø> (ø)
src/core/server/saved_objects/service/lib/utils.ts	100.00% <100.00%> (ø)
...ed_objects/export/get_sorted_objects_for_export.ts	81.57% <50.00%> (-2.21%)	⬇️
... and 10 more

... and 30 files with indirect coverage changes

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[yuye-aws]

Can you add cases for searching multiple workspaces? We need to test the OR logic among workspaces.

[xluo-aws]

Can add later when we start supporting share case, currently we should only have one workspace.

[opensearch-workspace-development]

The backport to workspace failed:

The process '/usr/bin/git' failed with exit code 128

To backport manually, run these commands in your terminal:

# Navigate to the root of your repository
cd $(git rev-parse --show-toplevel)
# Fetch latest updates from GitHub
git fetch
# Create a new working tree
git worktree add ../.worktrees/OpenSearch-Dashboards/backport-workspace workspace
# Navigate to the new working tree
pushd ../.worktrees/OpenSearch-Dashboards/backport-workspace
# Create a new branch
git switch --create backport/backport-185-to-workspace
# Cherry-pick the merged commit of this pull request and resolve the conflicts
git cherry-pick -x --mainline 1 c05b434ec10726e6e1034a97d215887372ff8c51
# Push it to GitHub
git push --set-upstream origin backport/backport-185-to-workspace
# Go back to the original working tree
popd
# Delete the working tree
git worktree remove ../.worktrees/OpenSearch-Dashboards/backport-workspace

Then, create a pull request where the base branch is workspace and the compare/head branch is backport/backport-185-to-workspace.