Added extraTokenParams to UserManager.signinSilent

[MathiasRossen]

Closes/fixes #1257

Checklist

• This PR makes changes to the public API
• I have included links for closing relevant issue numbers

[pamapa]

Thanks for taking care of this.
Also see npm run lint is failing in CI

[MathiasRossen]

Thank you, I will make some changes to resolve the issues

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (0d4395a) 78.43% compared to head (35faeef) 78.43%.
Report is 10 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1258   +/-   ##
=======================================
  Coverage   78.43%   78.43%           
=======================================
  Files          45       45           
  Lines        1730     1730           
  Branches      343      343           
=======================================
  Hits         1357     1357           
  Misses        336      336           
  Partials       37       37           

Flag	Coverage Δ
unittests	78.43% <100.00%> (ø)

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[pamapa]

thanks for contributing

[MathiasRossen]

Cheers! I am glad it was possible and thanks for your fast response 🥳