Compose Poll creation UI attachment components (1)

[skydoves]

🎯 Goal

[WIP] Compose Poll creation UI components

🛠 Implementation details

• [x] Add the poll icon on the attachment bottom sheet
• [x] Navigate to the poll creation screen with a transition animation
• [x] Navigation back to the chat screen with a transition animation
• [x] The entire poll creation screen (questions with input fields, options with input fields, and they should be
• [x] Nested vertical scrollable (dynamic height of a list)
• [x] movable/reordering by drag and drop, multiple switches to limit poll options)
• [ ] Implement an AlertDialog to ask whether a user wants to discard the poll creation screen.

🎨 UI Changes

☑️Contributor Checklist

General

• [x] I have signed the Stream CLA (required)
• [x] Assigned a person / code owner group (required)
• [x] Thread with the PR link started in a respective Slack channel (#android-chat-core or #android-chat-ui) (required)
• [x] PR targets the develop branch
• [x] PR is linked to the GitHub issue it resolves

Code & documentation

• [ ] Changelog is updated with client-facing changes
• [ ] New code is covered by unit tests
• [ ] Comparison screenshots added for visual changes
• [x] Affected documentation updated (KDocs, docusaurus, tutorial)

☑️Reviewer Checklist

• [ ] UI Components sample runs & works
• [ ] Compose sample runs & works
• [ ] UI Changes correct (before & after images)
• [ ] Bugs validated (bugfixes)
• [ ] New feature tested and works
• [ ] Release notes and docs clearly describe changes
• [ ] All code we touched has new or updated KDocs

🎉 GIF

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