feat(notification): 알림함 진입 및 딥링크 라우팅을 추가한다

SodaLive/Sources/Splash/SplashView.swift

@@ -110,6 +110,14 @@ struct SplashView: View {
     private func nextAppStep() {
         DispatchQueue.main.asyncAfter(deadline: .now() + 0.7) {
             withAnimation {
+                if let pendingDeepLinkAction = AppState.shared.consumePendingDeepLinkAction() {
+                    AppState.shared.setAppStep(step: .main)
+                    DispatchQueue.main.asyncAfter(deadline: .now() + 0.5) {
+                        AppDeepLinkHandler.apply(action: pendingDeepLinkAction)
+                    }
+                    return
+                }
+
                 if !UserDefaults.string(forKey: UserDefaultsKey.token).trimmingCharacters(in: .whitespacesAndNewlines).isEmpty {
                     if AppState.shared.pushRoomId > 0 {
                         liveViewModel.enterLiveRoom(roomId: AppState.shared.pushRoomId)