Make AnalyticsService mockable via `AnalyticsServiceProtocol (#5599)

* Create AnalyticsServiceProtocol and conform AnalyticsService

* Replace AnalyticsService properties and arguments with AnalyticsServiceProtocol

* Inline AnalyticsServiceMock replacing old mock

* handle more complex AnalyticsServiceMock callsites

* move documentation from AnalyticsService to AnalyticsServiceProtocol

UnitTests/Sources/HomeScreenViewModelTests.swift

@@ -21,16 +21,12 @@ final class HomeScreenViewModelTests {
     var roomSummaryProvider: RoomSummaryProviderMock!
     var notificationManager: NotificationManagerMock!
     private let appSettings: AppSettings
-    private let analytics: AnalyticsService
-    private let userIndicatorController: UserIndicatorControllerProtocol
     
     var cancellables = Set<AnyCancellable>()
     
     init() {
         AppSettings.resetAllSettings()
         appSettings = AppSettings()
-        analytics = .mock(settings: appSettings)
-        userIndicatorController = UserIndicatorControllerMock.default
     }
     
     deinit {
@@ -444,9 +440,9 @@ final class HomeScreenViewModelTests {
         viewModel = HomeScreenViewModel(userSession: userSession,
                                         selectedRoomPublisher: CurrentValueSubject<String?, Never>(nil).asCurrentValuePublisher(),
                                         appSettings: appSettings,
-                                        analyticsService: analytics,
+                                        analyticsService: AnalyticsServiceMock.default(),
                                         notificationManager: notificationManager,
-                                        userIndicatorController: userIndicatorController)
+                                        userIndicatorController: UserIndicatorControllerMock.default)
     }
 }