Fix(mobile/conference): Move the initial call to the componentDidMount method

react/features/conference/components/Conference.native.js

         this._onClick = this._onClick.bind(this);
     }
 
+    /**
+     * Inits the toolbar timeout after the component is initially rendered.
+     *
+     * @inheritDoc
+     * returns {void}
+     */
+    componentDidMount() {
+        this._setToolbarTimeout(this.state.toolbarVisible);
+    }
+
     /**
      * Inits new connection and conference when conference screen is entered.
      *
     render() {
         const toolbarVisible = this.state.toolbarVisible;
 
-        this._setToolbarTimeout(toolbarVisible);
-
         return (
             <Container
                 onClick = { this._onClick }
     /**
      * Triggers the default toolbar timeout.
      *
-     * @param {boolean} toolbarVisible - indicates if the toolbar is currently
+     * @param {boolean} toolbarVisible - Indicates if the toolbar is currently
      * visible
      * @private
+     * @returns {void}
      */
     _setToolbarTimeout(toolbarVisible) {
         this._clearToolbarTimeout();