refactoring several features

Package.swift

Sources/App/AppDelegate.swift

Sources/App/DependencyRegistrator.swift

...es/BackupFeature/Controllers/BackupConfigController.swift

Sources/BackupFeature/Controllers/BackupController.swift

...ackupFeature/Controllers/BackupPassphraseController.swift

Sources/BackupFeature/Controllers/BackupSFTPController.swift

...ces/BackupFeature/Controllers/BackupSetupController.swift

Sources/BackupFeature/Service/BackupService.swift

Sources/BackupFeature/ViewModels/BackupConfigViewModel.swift

Sources/BackupFeature/ViewModels/BackupSetupViewModel.swift

Sources/ChatFeature/Controllers/GroupChatController.swift

Sources/ChatFeature/Controllers/MembersController.swift

Sources/ChatFeature/Controllers/RetrySheetController.swift

Sources/ChatFeature/Controllers/SheetController.swift

Sources/ChatFeature/Controllers/SingleChatController.swift

Sources/ChatFeature/Controllers/WebController.swift

Sources/ChatFeature/Coordinator/ChatCoordinator.swift

Sources/ChatFeature/ViewModels/GroupChatViewModel.swift

Sources/ChatFeature/ViewModels/SingleChatViewModel.swift