refactor(ui): redesign and modernize poll creator components

[xsahil03x]

Description of the pull request

• Replace PollSwitchListTile and PollSwitchTextField with PollConfigOption for a card-style configuration UI.
• Redesign PollOptionListItem to support both existing options and a dedicated "add option" button variant.
• Integrate StreamStepper for managing maximum votes per person.
• Replace custom StreamPollTextField with the standard StreamTextInput from stream_core_flutter.
• Update StreamPollCreatorThemeData to use modernized sub-styles (StreamPollConfigOptionStyle, StreamButtonThemeStyle, and StreamTextInputStyle).
• Improve poll option validation logic to handle duplicates and empty states more effectively.
• Refresh AlertDialog styles within the poll creator to align with the new design language.
• Update tests to reflect UI component changes and new finding logic.

Screenshots / Videos

Before	After

[coderabbitai]

Important

Review skipped

Auto reviews are disabled on base/target branches other than the default branch.

Please check the settings in the CodeRabbit UI or the .coderabbit.yaml file in this repository. To trigger a single review, invoke the @coderabbitai review command.

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 726b8fc4-dec6-4c0d-a0a7-3c729b8983a1

You can disable this status message by setting the reviews.review_status to false in the CodeRabbit configuration file.

Use the checkbox below for a quick retry:

• 🔍 Trigger review

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch refactor/create-poll-redesign

---

Thanks for using CodeRabbit! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out.

❤️ Share

• X
• Mastodon
• Reddit
• LinkedIn

_{Comment @coderabbitai help to get the list of available commands and usage tips.}

[codecov]

Codecov Report

❌ Patch coverage is 94.16667% with 14 lines in your changes missing coverage. Please review.
✅ Project coverage is 65.62%. Comparing base (4428a96) to head (284dac6).

Files with missing lines	Patch %	Lines
...oll/creator/poll_option_reorderable_list_view.dart	93.47%	6 Missing ⚠️
...chat_flutter/lib/src/theme/poll_creator_theme.dart	42.85%	4 Missing ⚠️
...b/src/poll/creator/stream_poll_creator_dialog.dart	90.32%	3 Missing ⚠️
...b/src/poll/creator/stream_poll_creator_widget.dart	96.29%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           v10.0.0    #2611      +/-   ##
===========================================
+ Coverage    65.54%   65.62%   +0.08%     
===========================================
  Files          427      426       -1     
  Lines        26274    26070     -204     
===========================================
- Hits         17221    17109     -112     
+ Misses        9053     8961      -92     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.