fix media bar settings checklist style

[harleykradovill]

Pull Request

Summary

This simply adds an itemSize constraint to the media bar settings checklist. This prevents the checklist from overflowing vertically, as well as makes the width of the focus background wide and centred.

Related Issues

• Fixes [UI] Need to adjust the scroll on Collections/Playlist Selection #95

Type of Change

• Bug fix
• New feature
• Refactor
• Performance improvement
• UI/UX update
• Documentation update
• Build/CI change
• Other (describe):

Changes Made

• Adds itemSize to MediaBarChecklistDialog checklist

Testing

• Tested on physical Roku device
• Tested via sideload
• Manual testing completed
• Not tested (explain why):

Screenshots

Checklist

• Code builds successfully
• Code follows project style and conventions
• No unnecessary commented-out code
• No new warnings introduced