[backend] Add dynamic assets as children in group asset if applicable (#1055)

[savacano28]

Proposed changes

• Dynamic assets are added into asset group: all machine (depending on filter):
• 
• 

Related issues

• https://github.com/OpenBAS-Platform/openbas/issues/1055

Checklist

• [x] 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)
• [x] Where necessary I refactored code to improve the overall quality

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[bot]]

Codecov Report

Attention: Patch coverage is 0% with 26 lines in your changes missing coverage. Please review.

Project coverage is 26.11%. Comparing base (4f0629a) to head (19ef8b2).

Files	Patch %	Lines
...main/java/io/openbas/utils/AtomicTestingUtils.java	0.00%	21 Missing :warning:
.../java/io/openbas/service/AtomicTestingService.java	0.00%	4 Missing :warning:
.../openbas/rest/atomic_testing/AtomicTestingApi.java	0.00%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1154 +/- ## ============================================ + Coverage 25.88% 26.11% +0.23% - Complexity 1077 1081 +4 ============================================ Files 485 485 Lines 11796 11814 +18 Branches 635 638 +3 ============================================ + Hits 3053 3085 +32 + Misses 8653 8639 -14 Partials 90 90 ```

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[Dimfacion]

I think your code do fix the alignment issue but they do not appear selected when selecting them.

[savacano28]

Fixed: