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

ElementX/Sources/Screens/EmojiPickerScreen/EmojiPickerScreenViewModel.swift

@@ -41,7 +41,7 @@ class EmojiPickerScreenViewModel: EmojiPickerScreenViewModelType, EmojiPickerScr
         switch viewAction {
         case let .search(searchString: searchString):
             Task {
-                let categories = await emojiProvider.getCategories(searchString: searchString)
+                let categories = await emojiProvider.categories(searchString: searchString)
                 state.categories = convert(emojiCategories: categories)
             }
         case let .emojiTapped(emoji: emoji):
@@ -56,7 +56,7 @@ class EmojiPickerScreenViewModel: EmojiPickerScreenViewModelType, EmojiPickerScr
     private func loadEmojis() {
         Task(priority: .userInitiated) { [weak self] in
             guard let self else { return }
-            let categories = await self.emojiProvider.getCategories(searchString: nil)
+            let categories = await self.emojiProvider.categories(searchString: nil)
             self.state.categories = convert(emojiCategories: categories)
         }
     }