Feat/v2 workspaces

[lfbrehm]

This PR fixes:

• Permission bugs in get_resource() and get_resources()
• Search filter bug where indexed objects get filtered by object_type instead of data_class
• Mock endpoints called in test/middlelayer/workflows.rs

[codecov]

Codecov Report

Attention: 54 lines in your changes are missing coverage. Please review.

Comparison is base (1ba32d0) 52.49% compared to head (1b4de44) 52.49%.
Report is 1 commits behind head on feat/version2.0rework.

Additional details and impacted files

@@                    Coverage Diff                    @@
##           feat/version2.0rework     #126      +/-   ##
=========================================================
- Coverage                  52.49%   52.49%   -0.01%     
=========================================================
  Files                         70       70              
  Lines                      10286    10320      +34     
=========================================================
+ Hits                        5400     5417      +17     
- Misses                      4886     4903      +17     

Files	Coverage Δ
src/main.rs	0.67% <ø> (+<0.01%)	⬆️
src/search/meilisearch_client.rs	51.49% <0.00%> (+6.34%)	⬆️
src/utils/grpc_utils.rs	79.31% <75.00%> (-0.46%)	⬇️
src/grpc/search.rs	9.79% <0.00%> (-1.94%)	⬇️

... and 2 files with indirect coverage changes

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[das-Abroxas]

Nice finds. Better stable, than sorry 👍