fix typo

com.unity.uiwidgets/Runtime/engine/UIWidgetsPanel.cs

         const int mouseButtonNum = 3;
 
         void _handleViewMetricsChanged(string method, List<JSONNode> args) {
-            this._windowAdapte?.onViewMetricsChanged();
+            this._windowAdapter?.onViewMetricsChanged();
             this._displayMetrics?.onViewMetricsChanged();
         }