Disable use of focusPending in notebooks (#10208)

For #10194

Author: DonJayamanne

src/datascience-ui/interactive-common/redux/reducers/commonEffects.ts

@@ -116,6 +116,7 @@ export namespace CommonEffects {
     function focusPending(prevState: IMainState): IMainState {
         return {
             ...prevState,
+            // This is only applicable for interactive window & not native editor.
             focusPending: prevState.focusPending + 1
         };
     }

src/datascience-ui/native-editor/nativeEditor.tsx

@@ -473,7 +473,8 @@ export class NativeEditor extends React.Component<INativeEditorProps> {
                         editorOptions={this.props.editorOptions}
                         enableGather={this.props.settings.enableGather}
                         themeMatplotlibPlots={this.props.settings.themeMatplotlibPlots}
-                        focusPending={this.props.focusPending}
+                        // Focus pending does not apply to native editor.
+                        focusPending={0}
                     />
                 </ErrorBoundary>
                 {lastLine}