Close Application when last window is closed

Author: itaybre

CameraController/AppDelegate.swift

@@ -119,4 +119,8 @@ class AppDelegate: NSObject, NSApplicationDelegate {
         // If we got here, it is time to quit.
         return .terminateNow
     }
+
+    func applicationShouldTerminateAfterLastWindowClosed(_ sender: NSApplication) -> Bool {
+        return true
+    }
 }