Allow disabling the skip button

[onitake]

This PR implements the feature requested in #2672 .

It is not fully tested yet, as the dashboard has considerable dependencies on the runtime environment, which are difficult to fulfil on my test system.
The backend part should work as expected, however.

I've split the PR into multiple commits for easier review.

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[onitake]

/assign @floreks
/check-cla

[onitake]

Seems like the integration tests have failed.

Sorry, I only have a very basic understanding of Angular and JS.
Would be nice if someone more familiar with the frontend code could look into it.

Thanks!

[codecov]

Codecov Report

Merging #3077 into master will increase coverage by 0.03%.
The diff coverage is 78.94%.

@@            Coverage Diff             @@
##           master    #3077      +/-   ##
==========================================
+ Coverage   54.19%   54.23%   +0.03%     
==========================================
  Files         564      564              
  Lines       12194    12209      +15     
==========================================
+ Hits         6609     6621      +12     
- Misses       5329     5332       +3     
  Partials      256      256

Impacted Files	Coverage Δ
src/app/backend/auth/api/types.go	30.76% <ø> (ø)	⬆️
src/app/frontend/login/stateconfig.js	60% <0%> (-15%)	⬇️
src/app/backend/auth/manager.go	67.39% <100%> (+2.27%)	⬆️
src/app/backend/auth/handler.go	40.32% <66.66%> (+2.82%)	⬆️
src/app/frontend/login/component.js	91.3% <80%> (-1.38%)	⬇️
...p/backend/integration/metric/common/aggregation.go	89.23% <0%> (+1.53%)	⬆️

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[bryk]

LGTM. The continuous integration issue seems to be resolved. Thanks for the contribution!

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[udit2909]

@floreks @bryk Can you please create a release for this pr. Would be very helpful :)