Preserve Query in nextUrl during openid login redirect

[KleinSebastian]

Description

Successful Openid Login redirects back to the URL, from where the login was initiated.

Category

Bug fix

Why these changes are required?

Bug was reported: #1823 and #2119

What is the old behaviour before changes and new behaviour after changes?

The changed behaviour is best explained by following user-flow

• User is not logged in
• User clicks on a shared Dashboard Link
• User is redirected to configured Openid IDP
• After successful login, user is redirected to
  • Before: /app/dashboards
  • After: /app/dashboards#/view/....
• Optional: When Multitenancy is enabled, the tenant from the link was discarded before and is now kept.

The whole functionality is basically ported from the SAML login method.

Issues Resolved

Fix: #1823
Fix: #2119

Testing

Existing Tests pass

Check List

• New functionality includes testing
• New functionality has been documented
• Commits are signed per the DCO using --signoff

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For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 71.46%. Comparing base (506d803) to head (eb076a0).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2140   +/-   ##
=======================================
  Coverage   71.46%   71.46%           
=======================================
  Files          97       97           
  Lines        2649     2649           
  Branches      411      411           
=======================================
  Hits         1893     1893           
  Misses        641      641           
  Partials      115      115           

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