[frontend/backend] File indexing advanced configuration (#1483)

[marieflorescontact]

Proposed changes

• Add advanced configuration form for indexing (mime types, max file size, include global files, restrict to entity types)
• Fix performance issues with files listing : list files to index without loading each file. Load files only if we want to index them.
• Display progression bar

Related issues

• Full text search for documents #1483

Checklist

• I consider the submitted work as finished
• I tested the code for its functionality
• I wrote test cases for the relevant uses case
• I added/update the relevant documentation (either on github or on notion)
• Where necessary I refactored code to improve the overall quality

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (bd0b6f8) 0.00% compared to head (5664b71) 87.27%.

❗ Current head 5664b71 differs from pull request most recent head 0fe126e. Consider uploading reports for the commit 0fe126e to get more accurate results

Additional details and impacted files

@@             Coverage Diff             @@
##           master    #4882       +/-   ##
===========================================
+ Coverage        0   87.27%   +87.27%     
===========================================
  Files           0        3        +3     
  Lines           0      220      +220     
  Branches        0       55       +55     
===========================================
+ Hits            0      192      +192     
- Misses          0       28       +28     

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