fix(station-login): make team selction dropdown scrollable

[rarajes2]

COMPLETES #< CAI-8405 >

This pull request addresses

Fixes the team selection dropdown item list scrollable.

by making the following changes

Makes the height fixed to 15rem and overflow auto for the shadow DOM mdc-popover element.

Change Type

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation update
• Tooling change
• Internal code refactor

The following scenarios were tested

• The testing is done with the amplify link

Screen.Recording.2026-09-29.at.3.37.20.PM.mov

The GAI Coding Policy And Copyright Annotation Best Practices

• GAI was not used (or, no additional notation is required)
• Code was generated entirely by GAI
• GAI was used to create a draft that was subsequently customized or modified
• Coder created a draft manually that was non-substantively modified by GAI (e.g., refactoring was performed by GAI on manually written code)
• Tool used for AI assistance (GitHub Copilot / Other - specify)
  • Github Copilot
  • Other - Cursor
• This PR is related to
  • Feature
  • Defect fix
  • Tech Debt
  • Automation

Checklist before merging

• I have not skipped any automated checks
• All existing and new tests passed
• I have updated the testing document
• I have tested the functionality with amplify link

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[github-actions]

🎉 Your changes are now available!
Released in: webex-cc-widgets-v1.28.0-next.59
📖 View full changelog →

Packages Updated	Version
@webex/cc-widgets	1.28.0-next.59
@webex/cc-ai-assistant	0.0.0-next.10
@webex/cc-components	1.28.0-next.49
@webex/cc-station-login	1.28.0-next.49
@webex/cc-task	1.28.0-next.52
@webex/cc-user-state	1.28.0-next.50
samples-cc-react-app	0.0.0-next.1
samples-cc-wc-app	0.0.0-next.1

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