Fix ability to set appearance of Focus status and remove unused refer…

[DeclanChidlow]

Please make sure to check the following tasks before opening and submitting a PR

• [X] I understand and have followed the contribution guide
• [X] I have tested my changes locally and they are working as intended
• [X] These changes do not have any notable side effects on other Revolt projects
• [ ] (optional) I have opened a pull request on the translation repository
• [X] I have included screenshots to demonstrate my changes

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• Removed references to unused streaming status
• Added ability to theme focus status in theme overrides settings
• Standardised names of statuses
• Ran a format

(ignore colours, just for testing)

[insertish]

bump

[insertish]

stale / unresolved, closing for now