fix(va): guard deferred contextMenu toggle against destroyed instance

client/src/app/editor/editor.component.ts

@@ -2196,29 +2196,38 @@ export class EditorComponent implements OnInit, AfterViewInit, OnDestroy {
   toggleHotPlugin(pluginName: string, enable: boolean) {
     const hot = this.hotInstance
 
-    hot.batch(() => {
-      const contextMenuPlugin = hot.getPlugin<any>(pluginName)
+    const contextMenuPlugin = hot.getPlugin<any>(pluginName)
 
-      if (!contextMenuPlugin) {
-        console.warn(
-          'Toggle Hot Plugin failed - Plugin named: ' +
-            pluginName +
-            ' - could not be found.'
-        )
+    if (!contextMenuPlugin) {
+      console.warn(
+        'Toggle Hot Plugin failed - Plugin named: ' +
+          pluginName +
+          ' - could not be found.'
+      )
+      return
+    }
+
+    setTimeout(() => {
+      // The instance may be destroyed/rebuilt within this 100ms window (e.g. a
+      // VA filter reload repopulates the grid). A destroyed plugin has its `hot`
+      // reference deleted, so enablePlugin()/disablePlugin() would throw on
+      // `this.hot.getSettings()`. Bail if the instance is gone or was swapped.
+      if (
+        hot.isDestroyed ||
+        this.hotInstance !== hot ||
+        !contextMenuPlugin.hot
+      ) {
         return
       }
 
-      setTimeout(() => {
-        if (enable) {
-          contextMenuPlugin.enablePlugin()
-          return
-        }
-
+      if (enable) {
+        contextMenuPlugin.enablePlugin()
+      } else {
         contextMenuPlugin.disablePlugin()
-      }, 100)
+      }
 
       hot.render()
-    })
+    }, 100)
   }
 
   private dynamicCellValidationDisabled(row: number, col: number) {