Fix various flakey unit tests (#1783)

* Fix flakey emoji provider tests

* Fix flakey RoomScreenViewModel tests

* Fix flakey HomeScreenViewModel tests

* Fix flakey RoomMemberListScreen tests, problem with bindings getting overriden and deferFulfillment cancellable not getting stored

* Fix flakey RoomNotificationSettingsScreen tests and crashes

* Fix flakey RoomMemberDetailsScreen tests

* Deprecate old `deferFulfillment` and `nextViewState` methods

* Convert more files to the new `deferFulfillment`

* Converted the rest of the tests to the new deferFulfillment

* Removed now unused `nextViewState` and `deferFulfillment`

* Remove automatic retries from unit tests

* Reset analytics flag after running unit tests

* Address PR comments

* Introduce a new `deferFulfillment(publisher, keyPath, transitionValues)` method and use it where appropiate

UnitTests/Sources/RoomDetailsEditScreenViewModelTests.swift

@@ -95,9 +95,13 @@ class RoomDetailsEditScreenViewModelTests: XCTestCase {
         setupViewModel(accountOwner: .mockOwner(allowedStateEvents: [.roomAvatar, .roomName, .roomTopic]),
                        roomProxyConfiguration: .init(name: "Some room", displayName: "Some room"))
         
-        let deferred = deferFulfillment(viewModel.actions.first())
+        let deferred = deferFulfillment(viewModel.actions) { action in
+            action == .saveFinished
+        }
+        
         context.name = "name"
         context.send(viewAction: .save)
+        
         let action = try await deferred.fulfill()
         XCTAssertEqual(action, .saveFinished)
     }