Merge pull request #1652 from hmhealey/plt1319

PLT-1319 Fixed direct channels not being visible when no actual channel exists

web/react/dispatcher/event_helpers.jsx

@@ -173,3 +173,10 @@ export function emitClearSuggestions(suggestionId) {
         id: suggestionId
     });
 }
+
+export function emitPreferenceChangedEvent(preference) {
+    AppDispatcher.handleServerAction({
+        type: Constants.ActionTypes.RECIEVED_PREFERENCE,
+        preference
+    });
+}