* Change the Join Call button to 1.) show a Video Call Solid icon, 2.) change the label from "Join call" to "Join", and 3.) change the background color to primary/rest.
* Add a clarifying comment and snapshots.
* replace NavigationStack with ElementNavigationStack to allow the content to be rendered without a NavigationStack in a11y tests
* fix a11y tests
* update xcodeproject
* swiftformat fix
* use iOS 26.1 for CI
* use a wrapper to solve the issue for a11y tests
* ElementNavigationStack only uses the trick in DEBUG mode, and added a swiftlint rule to prevent the usage of NavigationStack
