manager: save config after changing isAlwaysRecording

Change-Id: I7910b8a0b08910716fe0fba2a72f5caa776ed2f8
Reviewed-by: Philippe Gorley <philippe.gorley@savoirfairelinux.com>

src/manager.cpp

@@ -2355,7 +2355,8 @@ Manager::getIsAlwaysRecording() const
 void
 Manager::setIsAlwaysRecording(bool isAlwaysRec)
 {
-    return audioPreference.setIsAlwaysRecording(isAlwaysRec);
+    audioPreference.setIsAlwaysRecording(isAlwaysRec);
+    saveConfig();
 }
 
 bool