[backend] fix(catalog): dont retrieve secrets from api (#1)

[antoinemzs]

Proposed changes

• Prevent fetching of fields for encrypted secrets from API
• Special case omitted secrets in instance update form
• Enable XTM Composer in dev compose file

Testing Instructions

1. Step-by-step how to test
2. Environment or config notes

Related issues

• Closes #ISSUE-NUMBER

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
• For bug fix -> I implemented a test that covers the bug

Further comments

If this is a relatively large or complex change, kick off the discussion by explaining why you chose the solution you did and what alternatives you considered, etc...

[codecov]

Codecov Report

❌ Patch coverage is 71.42857% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 55.16%. Comparing base (99a8275) to head (67ddd9b).

Files with missing lines	Patch %	Lines
.../connector_instances/ConnectorInstanceService.java	66.66%	2 Missing ⚠️

Additional details and impacted files

@@                  Coverage Diff                  @@
##             release/current    #4822      +/-   ##
=====================================================
- Coverage              55.17%   55.16%   -0.01%     
- Complexity              4287     4290       +3     
=====================================================
  Files                    971      971              
  Lines                  28854    28857       +3     
  Branches                2110     2110              
=====================================================
- Hits                   15921    15920       -1     
- Misses                 11996    12000       +4     
  Partials                 937      937              

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