feat: create hint view for when apps are disabled - WPB-21441

[caldrian]

WPB-21441 [iOS] [Integration] Toggle Apps in Conversation Flow

Issue

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Testing

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Checklist

• [ ] Title contains a reference JIRA issue number like [WPB-XXX].
• [ ] Description is filled and free of optional paragraphs.
• [ ] Adds/updates automated tests.

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UI accessibility checklist

If your PR includes UI changes, please utilize this checklist:

• [ ] Make sure you use the API for UI elements that support large fonts.
• [ ] All colors are taken from WireDesign.ColorTheme or constructed using WireDesign.BaseColorPalette.
• [ ] New UI elements have Accessibility strings for VoiceOver.