fix: various angular client fixes

[jordanshatford]

• Fix async response interceptors for angular
• Fix angular client provides
• Fix deprecations in angular client
• Add angular snapshots
• Do not create/export CancelablePromise when using Angular

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.92%. Comparing base (dc33ccb) to head (1a5892a).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #167   +/-   ##
=======================================
  Coverage   91.91%   91.92%           
=======================================
  Files          66       66           
  Lines        3947     3949    +2     
  Branches      476      476           
=======================================
+ Hits         3628     3630    +2     
  Misses        318      318           
  Partials        1        1           

Flag	Coverage Δ
unittests	91.92% <100.00%> (+<0.01%)	⬆️

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[mrlubos]

When removing stuff like the cancelable promise, what's that based on? Why was it removed?

[jordanshatford]

When removing stuff like the cancelable promise, what's that based on? Why was it removed?

It's not actually used in the angular client. It returns Observables instead

[jordanshatford]

@mrlubos is this ok to be merged?