fix: proper poll typing with user response

[mogita]

• Fixes image missing in PollVote.user #171

The PollVote.user type was missing the image field, even though the data was present in WebSocket/API responses. This caused TypeScript to not recognize user.image as a valid property.

Changes:

• Replaced PollVote import with PollVoteResponseData
• Removed Poll as PollType import (now using PollResponseData directly)
• Updated PollState type to use Omit<PollResponseData, ...>
• Removed @ts-expect-error directives that are no longer needed

Type Improvements:

Before	After
user?: User (no image)	user?: UserResponse (has image)
teams_role: required	teams_role?: optional

None breaking changes found.

[Copilot]

Pull request overview

This PR fixes TypeScript typing issues for Poll and PollVote data structures by using the correct response data types (PollVoteResponseData and PollResponseData) instead of the base types (PollVote and Poll). The key improvement is that PollVoteResponseData uses UserResponse which includes the image field and makes teams_role optional, matching the actual API/WebSocket response data structure.

Key Changes:

• Replaced all PollVote type references with PollVoteResponseData
• Replaced all Poll/PollType type references with PollResponseData
• Removed 18 @ts-expect-error directives that suppressed the type incompatibility errors

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