* wip
* remove dupe
* use poll model relations in all cases
* update mpollbody tests to use poll instance
* update poll fetching login in pinned messages card
* add pinned polls to room polls state
* add spinner while relations are still loading
* handle no poll in end poll dialog
* strict errors
* render a poll body that errors for poll end events
* add fetching logic to pollend tile
* extract poll testing utilities
* test mpollend
* strict fix
* more strict fix
* strict fix for forwardref
* update poll test utils
* implicit anys
* tidy and add jsdoc
* add settings while under development
* very basic tests for roomsummarycard
* empty poll history dialog and option in room summary
* pollS history in settings
* render an ugly list of polls in current timeline
* readonly poll history list items
* fix scroll window
* use short year code in date format, tidy
* no results message + tests
* strict fix
* mock intldatetimeformat for stable date formatting
* extract date format fn into date-utils
* jsdoc
* Use js-sdk imports for poll event types instead of events-sdk
* Attempt to appease some tsc --strict errors
* Manually create poll response in cypress test
Kerry