[Backport 2.x] [workspace] fix the UI of delete modal in the save objects(assets) page

[opensearch-trigger-bot]

Backport fb9a814 from #8237.

[github-actions]

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[codecov]

Codecov Report

Attention: Patch coverage is 33.33333% with 2 lines in your changes missing coverage. Please review.

Project coverage is 60.88%. Comparing base (544cf40) to head (e8fc21a).
Report is 1 commits behind head on 2.x.

Files with missing lines	Patch %	Lines
...ment_section/objects_table/saved_objects_table.tsx	33.33%	0 Missing and 2 partials ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##              2.x    #9132   +/-   ##
=======================================
  Coverage   60.88%   60.88%           
=======================================
  Files        3807     3807           
  Lines       91131    91131           
  Branches    14379    14379           
=======================================
+ Hits        55485    55488    +3     
+ Misses      32119    32116    -3     
  Partials     3527     3527           

Flag	Coverage Δ
Linux_1	29.03% <0.00%> (ø)
Linux_2	56.52% <ø> (ø)
Linux_3	37.84% <0.00%> (+<0.01%)	⬆️
Linux_4	30.02% <33.33%> (+<0.01%)	⬆️
Windows_1	29.04% <0.00%> (ø)
Windows_2	56.48% <ø> (ø)
Windows_3	37.84% <0.00%> (ø)
Windows_4	30.02% <33.33%> (+<0.01%)	⬆️

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