refactor: unify activity tile style

[MarkNerdi996]

Summary

This PR includes a generic ActivityTileContent component which includes a unified style and structure.

Changelog

- generic `ActivityTileContent` component
- rewrite all ActivityTileContents to use the component

Relevant Issues

Closes #5670

Testing

Platforms

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• Desktop
  • MacOS
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  • Windows
• Mobile
  • iOS
  • Android

Instructions

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Checklist

Please tick all of the following boxes that are relevant to your changes.

• I have followed the contribution guidelines for this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have added or modified tests that prove my changes work as intended
• I have verified that new and existing unit tests pass locally with my changes
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• I have made corresponding changes to the documentation