feat: Enhance keyboard scroll modifier (bringIntoView) to support different list types

[jonnyandrew]

Changes

• Enhance keyboard scroll modifier (bringIntoView) to support different types of ScrollableState:
  • ScrollState
  • LazyListState
• Move the modifier into uk.gov.android.ui.patterns.utils.scroll
• Remove the old modifier

Context

• feat: Add modifier that configures different behaviour for tab and arrow up/ down mobile-android-one-login-app#825 (comment)

DCMAW-19031

Evidence of the change

Verified manually in test wrapper app:

Screen_recording_20260428_130819.webm

Added automated tests: b8ade63

Checklist

Before creating the pull request

• Commit messages that conform to conventional commit messages.
• Ran the app locally ensuring it builds.
• Tests pass locally.
• Pull request has a clear title with a short description about the feature or update.
• Created a draft pull request if it's not ready for review.

Before the CODEOWNERS review the pull request

• Complete all Acceptance Criteria within Jira ticket.
• Self-review code.
• Successfully run changes on a testing device.
• Complete automated Testing:
  • Unit Tests.
  • Integration Tests.
  • Instrumentation / Emulator Tests.
• Review Accessibility considerations.
• Handle PR comments.

Before merging the pull request

• Sonar cloud report passes inspections for your PR.
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[sonarqubecloud]

Quality Gate passed

Issues
1 New issue
0 Accepted issues

Measures
0 Security Hotspots
50.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud