feat: consume current workspace in saved objects management and saved objects client

[SuZhou-Joe]

Description

Issues Resolved

Screenshot

Testing the changes

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

Attention: Patch coverage is 76.27119% with 14 lines in your changes are missing coverage. Please review.

Project coverage is 66.94%. Comparing base (9168d9b) to head (d57a2ab).

Files	Patch %	Lines
...ment_section/objects_table/saved_objects_table.tsx	80.00%	1 Missing and 2 partials ⚠️
...d_objects_management/server/routes/scroll_count.ts	0.00%	3 Missing ⚠️
src/plugins/workspace/public/plugin.ts	71.42%	1 Missing and 1 partial ⚠️
.../core/public/saved_objects/saved_objects_client.ts	95.83%	1 Missing ⚠️
...ment/public/lib/fetch_export_by_type_and_search.ts	0.00%	1 Missing ⚠️
...ects_management/public/lib/fetch_export_objects.ts	0.00%	1 Missing ⚠️
...saved_objects_management/public/lib/import_file.ts	0.00%	0 Missing and 1 partial ⚠️
...cts_management/public/lib/resolve_import_errors.ts	0.00%	0 Missing and 1 partial ⚠️
...ins/saved_objects_management/server/routes/find.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@                   Coverage Diff                   @@
##           workspace-pr-integr     #261      +/-   ##
=======================================================
- Coverage                67.02%   66.94%   -0.08%     
=======================================================
  Files                     3318     3322       +4     
  Lines                    63965    64139     +174     
  Branches                 10255    10289      +34     
=======================================================
+ Hits                     42871    42938      +67     
- Misses                   18585    18687     +102     
- Partials                  2509     2514       +5     

Flag	Coverage Δ
Linux_	66.27% <76.27%> (?)
_1	31.70% <16.21%> (-3.72%)	⬇️
_2	55.34% <96.00%> (+0.04%)	⬆️
_3	43.40% <0.00%> (-0.03%)	⬇️
_4	35.17% <29.41%> (+<0.01%)	⬆️

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