[6/X] DXCDT-441: Reintroduce support for slack client addon

[sergiught]

🔧 Changes

Reintroducing support for slack client addon on the v1 branch after correctly typing them to the new go-auth0 types.

📚 References

🔬 Testing

📝 Checklist

• All new/changed/fixed functionality is covered by tests (or N/A)
• I have added documentation for all new/changed functionality (or N/A)

[codecov-commenter]

Codecov Report

Merging #662 (d2b075b) into feature/DXCDT-441-client-addons-mscrm-5 (3bed43e) will increase coverage by 0.04%.
The diff coverage is 100.00%.

Additional details and impacted files

@@                             Coverage Diff                             @@
##           feature/DXCDT-441-client-addons-mscrm-5     #662      +/-   ##
===========================================================================
+ Coverage                                    86.89%   86.93%   +0.04%     
===========================================================================
  Files                                           80       80              
  Lines                                        12088    12128      +40     
===========================================================================
+ Hits                                         10504    10544      +40     
  Misses                                        1211     1211              
  Partials                                       373      373              

Impacted Files	Coverage Δ
internal/auth0/client/expand.go	90.84% <100.00%> (+0.49%)	⬆️
internal/auth0/client/flatten.go	95.86% <100.00%> (+0.24%)	⬆️
internal/auth0/client/resource.go	97.07% <100.00%> (+0.06%)	⬆️