[backend] Refactored TagRule to use AssetGRoup instead of Assets Issue/1998

[heditar]

Proposed changes

• Refactored the code so the TagRule use AssetGroup instead of Assets

Related issues

• Define and apply default assets for OCTI generated simulation #1998

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

[codecov]

Codecov Report

Attention: Patch coverage is 98.03922% with 1 line in your changes missing coverage. Please review.

Project coverage is 32.64%. Comparing base (173467c) to head (84b3de8).
Report is 3 commits behind head on release/1.11.0.

Files with missing lines	Patch %	Lines
...c/main/java/io/openbas/service/TagRuleService.java	90.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@                 Coverage Diff                  @@
##             release/1.11.0    #2170      +/-   ##
====================================================
+ Coverage             32.49%   32.64%   +0.14%     
- Complexity             1509     1514       +5     
====================================================
  Files                   580      581       +1     
  Lines                 18056    18063       +7     
  Branches               1158     1158              
====================================================
+ Hits                   5867     5896      +29     
+ Misses                11925    11903      -22     
  Partials                264      264              

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