[Workspace] Fix: Show a error toast when workspace read only user delete saved objects

[yubonluo]

Description

A circle keeps rendering on the saved objects management page when workspace read only user delete a saved objects. The expected scenario is to show a error toast on this page, and users can continue with other operations.

Issues Resolved

Screenshot

Before fix:

before.fix.mov

After fix:

after.delete.mp4

Testing the changes

• Use the branch to bootstrap and enable workspace feature flag, savedObjects permission feature flag and security plugin
• Create a workspace named 'source-workspace' and create some saved objects in the current workspace
• Create a internal user named 'workspace-read-only-user' in security and assign a read user to workspace-read-only-user in source workspace - setting - user&permission

• Log in as workspace-read-only-user, select source-workspace, and enter the saved objects management page
• Delete a saved object

Changelog

• fix: Show error toast when fail to delete saved objects

Check List

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

[codecov]

Codecov Report

Attention: Patch coverage is 92.85714% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 67.55%. Comparing base (d585755) to head (4119bd8).

Files	Patch %	Lines
...ment_section/objects_table/saved_objects_table.tsx	92.85%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #6756   +/-   ##
=======================================
  Coverage   67.55%   67.55%           
=======================================
  Files        3428     3428           
  Lines       67337    67340    +3     
  Branches    10994    10994           
=======================================
+ Hits        45487    45492    +5     
+ Misses      19179    19178    -1     
+ Partials     2671     2670    -1     

Flag	Coverage Δ
Linux_1	33.04% <ø> (ø)
Linux_2	55.13% <ø> (ø)
Linux_3	45.15% <ø> (ø)
Linux_4	34.73% <92.85%> (+0.01%)	⬆️
Windows_1	33.06% <ø> (ø)
Windows_2	55.10% <ø> (ø)
Windows_3	45.17% <ø> (ø)
Windows_4	34.73% <92.85%> (+0.01%)	⬆️

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