fix: patch core-components SignInPage provider persistence

[JessicaJHee]

Description

Yarn patch @backstage/core-components@0.18.14 so SignInPage does not clear the selected provider from localStorage on logout/cancel (and memoizes provider setup).

Which issue(s) does this PR fix

• Fixes RHDHBUGS-3905

PR acceptance criteria

• GitHub Actions are completed and successful
• Unit Tests are updated and passing
• E2E Tests are updated and passing
• Documentation is updated if necessary (requirement for new features)
• Add a screenshot if the change is UX/UI related

How to test changes / Special notes to the reviewer

Sign in, sign out, confirm the previous provider is still selected without re-picking.

Made with Cursor

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 72.40%. Comparing base (c0eefe4) to head (c39587d).

Additional details and impacted files

@@             Coverage Diff              @@
##           release-2.1    #5632   +/-   ##
============================================
  Coverage        72.40%   72.40%           
============================================
  Files               68       68           
  Lines              790      790           
  Branches           113      113           
============================================
  Hits               572      572           
  Misses             217      217           
  Partials             1        1           

Flag	Coverage Δ
rhdh	72.40% <ø> (ø)

Components	Coverage Δ
Backend plugins	100.00% <ø> (ø)
Backend app	78.94% <ø> (ø)
Frontend app	57.43% <ø> (ø)

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[github-actions]

Image was built and published successfully. It is available at:

• quay.io/rhdh-community/rhdh:pr-5632
• quay.io/rhdh-community/rhdh:pr-5632-78077041

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[github-actions]

Image was built and published successfully. It is available at:

• quay.io/rhdh-community/rhdh:pr-5632
• quay.io/rhdh-community/rhdh:pr-5632-c39587dd

[openshift-ci]

@JessicaJHee: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/e2e-ocp-helm	c39587d	link	true	/test e2e-ocp-helm

Full PR test history. Your PR dashboard.

Details

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