Added endpoint to update scope when apiproduct is added

[divya-intelli]

Fixes #1174
Added AppGroup scope override endpoint.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 8 lines in your changes missing coverage. Please review.
✅ Project coverage is 86.58%. Comparing base (3c08254) to head (baf70af).

Files with missing lines	Patch %	Lines
...eeX/Controller/AppGroupAppCredentialController.php	0.00%	8 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##                3.x     #422      +/-   ##
============================================
- Coverage     86.75%   86.58%   -0.17%     
- Complexity     1769     1770       +1     
============================================
  Files           349      349              
  Lines          4763     4659     -104     
============================================
- Hits           4132     4034      -98     
+ Misses          631      625       -6     

Flag	Coverage Δ
unittests	86.58% <0.00%> (-0.17%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
...eeX/Controller/AppGroupAppCredentialController.php	42.85% <0.00%> (-57.15%)	⬇️

... and 47 files with indirect coverage changes

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