refactor: pass community_ui dict instead of community object

[0einstein0]

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Description

Use community_ui dict instead of community object in button_to_request_membership macro

Checklist

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• [ ] I'm aware of the code of conduct.
• [ ] I've created logical separate commits and followed the commit message format.
• [ ] I've added relevant test cases.
• [ ] I've added relevant documentation.
• [ ] I've marked translation strings.
• [ ] I've identified the copyright holder(s) and updated copyright headers for touched files (>15 lines contributions).
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• [ ] I've followed the CSS/JS and React guidelines.
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[ptamarit]

Sorry, I missed this one and created a similar fix in #1239