fix(native) add missing function

react/features/conference/functions.any.js

+import { toState } from '../base/redux';
+import { areThereNotifications } from '../notifications';
+import { getOverlayToRender } from '../overlay';
+
+/**
+ * Tells whether or not the notifications should be displayed within
+ * the conference feature based on the current Redux state.
+ *
+ * @param {Object|Function} stateful - The redux store state.
+ * @returns {boolean}
+ */
+export function shouldDisplayNotifications(stateful) {
+    const state = toState(stateful);
+    const isAnyOverlayVisible = Boolean(getOverlayToRender(state));
+    const { calleeInfoVisible } = state['features/invite'];
+
+    return areThereNotifications(state)
+      && !isAnyOverlayVisible
+      && !calleeInfoVisible;
+}

react/features/conference/functions.native.js

+export * from './functions.any';

react/features/conference/functions.web.js

 import { getLocalParticipant } from '../base/participants';
 import { toState } from '../base/redux';
 import { getBackendSafePath, getJitsiMeetGlobalNS } from '../base/util';
-import {
-    areThereNotifications,
-    showWarningNotification
-} from '../notifications';
-import { getOverlayToRender } from '../overlay';
+import { showWarningNotification } from '../notifications';
 import { createRnnoiseProcessorPromise } from '../rnnoise';
 
+export * from './functions.any';
+
 /**
  * Returns the result of getWiFiStats from the global NS or does nothing
 (returns empty result).
     }
 }
 
-/**
- * Tells whether or not the notifications should be displayed within
- * the conference feature based on the current Redux state.
- *
- * @param {Object|Function} stateful - The redux store state.
- * @returns {boolean}
- */
-export function shouldDisplayNotifications(stateful) {
-    const state = toState(stateful);
-    const isAnyOverlayVisible = Boolean(getOverlayToRender(state));
-    const { calleeInfoVisible } = state['features/invite'];
-
-    return areThereNotifications(state)
-            && !isAnyOverlayVisible
-            && !calleeInfoVisible;
-}
-
 /**
  * Returns an object aggregating the conference options.
  *