Convert "Customise media actions" to Compose

[geekygecko]

Description

This change converts the "Customise media actions" page to Compose.

Testing Instructions

• Play an episode
• Tap on the Profile tab
• Tap on the settings cog
• Tap on General
• Tap on Media notification controls
• ✅ Pull down the notification shade and check the actions match (you might only be able to see two)
• On the "Media notification controls" page drag to rearrange the actions
• ✅ Pull down the notification shade and check the actions match
• Tap on the "Show custom media actions" to disable the actions
• ✅ Verify you can drag the actions and check the notification actions are gone

Screenshots

Before	After

https://github.com/user-attachments/assets/c77cd70d-0cee-4f37-a13f-f27fef322ccf

Checklist

• [x] If this is a user-facing change, I have added an entry in CHANGELOG.md
• [x] Ensure the linter passes (./gradlew spotlessApply to automatically apply formatting/linting)
• [x] I have considered whether it makes sense to add tests for my changes
• [x] All strings that need to be localized are in modules/services/localization/src/main/res/values/strings.xml
• [x] Any jetpack compose components I added or changed are covered by compose previews
• [x] I have updated (or requested that someone edit) the spreadsheet to reflect any new or changed analytics.

I have tested any UI changes...

• [x] with different themes
• [x] with a landscape orientation
• [x] with the device set to have a large display and font size
• [x] for accessibility with TalkBack