* Fix tests choosing the wrong room by matching on exact room name in viewRoomByName
* Allow either of the two different URLs for thumbnails in sticker test
* Find room by looking inside Rooms for something with the right text
* Check for the download URL of a thumbnail only, which will appear after the thumbnail 404s
* Click the title div instead of the contained span, to avoid clicking something potentially off-screen
* Find by label text because that works when room list is folded
* Find room by title because label text is different
* Attempt to allow opening room by name in all needed cases
* Use sender if sticker picker widget does not have creatorUserId
* Add creatorUserId when creating sticker picker widgets
* Add e2e test for stickerpicker widget missing creatorUserId
* Fix stickerpicker widget event data in e2e tests
* Fix userId in stickerpicker e2e tests
* Fix linter errors
* Minimum hacks required to run cypress tests with dendrite
* Remove wget hack since dendrite containers now have curl
* Add basic dendritedocker plugin & hack into login spec for testing
* Add generic HomeserverInstance interface
* Add env var to configure which homeserver to use
* Remove synapse specific homeserver support api
* Update the rest of the tests to use HomeserverInstance
* Update cypress docs to reference new homeserver abstraction
* Fix formatting issues
* Change dendrite to use main branch container
Andy Balaam