When adding a record map to source control, automatically add generated classes

[isc-pbarton]

Description

Resolves #955
Adding a record map to source control adds its associated data classes to source control.
Separately, creating a record map will automatically add it to source control.

why source control the generated classes?
They are not automatically generated on compilation. Generation of the data classes is a manual step. If the data classes were not source controlled, there would need to be another manual step on deployment to another environment.

why can't we just reuse the logic in the deployment manager to find related classes?
The deployment manager has some nice logic that will find all classes required by a specific business host so they can be added to a deployment. We originally thought we could use that, and make this more generic than just record maps. But that's not a good fit for source control hooks on record maps because we can't assume a business host exists using the record map.

Testing

Unit tests, plus some manual testing on record maps:

• configure the IRIS container with a git repository
• create a new record map in the SMP and click "generate"
• check source control output to confirm both record map and data class have been exported.

Checklist

• This branch has the latest changes from the main branch rebased or merged.
• [N/A] Web UI has been built (any changes in git-webui/src have matching changes in git-webui/release)
• CHANGELOG.md entry added if appropriate.
• [N/A] Documentation has been/will be updated

[codecov-commenter]

Codecov Report

❌ Patch coverage is 91.66667% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 49.92%. Comparing base (51da6a8) to head (7a69474).

Files with missing lines	Patch %	Lines
cls/SourceControl/Git/Util/RecordMap.cls	91.17%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #995      +/-   ##
==========================================
+ Coverage   49.41%   49.92%   +0.51%     
==========================================
  Files          22       23       +1     
  Lines        3337     3373      +36     
==========================================
+ Hits         1649     1684      +35     
- Misses       1688     1689       +1     

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