Fix double creation of NotificationsManager singleton.

// FREEBIE

Podfile.lock

@@ -123,7 +123,7 @@ EXTERNAL SOURCES:
   AxolotlKit:
     :git: https://github.com/WhisperSystems/SignalProtocolKit.git
   SignalServiceKit:
-    :path: ../SignalServiceKit
+    :path: "../SignalServiceKit"
   SocketRocket:
     :git: https://github.com/facebook/SocketRocket.git
 

Signal/src/UserInterface/Notifications/CallNotificationsAdapter.swift

@@ -21,7 +21,7 @@ class CallNotificationsAdapter: NSObject {
 //        if #available(iOS 10.0, *) {
 //            adaptee = UserNotificationsAdaptee()
 //        } else {
-            adaptee = NotificationsManager()
+            adaptee = Environment.getCurrent().notificationsManager
 //        }
     }
 

Signal/src/environment/NotificationsManager.m

@@ -17,12 +17,14 @@
 
 @interface NotificationsManager ()
 
-@property SystemSoundID newMessageSound;
+@property (nonatomic) SystemSoundID newMessageSound;
 @property (nonatomic, readonly) NSMutableDictionary<NSString *, UILocalNotification *> *currentNotifications;
 @property (nonatomic, readonly) NotificationType notificationPreviewType;
 
 @end
 
+#pragma mark -
+
 @implementation NotificationsManager
 
 - (instancetype)init