Fix other leaking listeners

src/browser/renderer/BaseRenderLayer.ts

@@ -60,7 +60,7 @@ export abstract class BaseRenderLayer implements IRenderLayer {
   }
 
   public dispose(): void {
-    this._container.removeChild(this._canvas);
+    this._canvas.parentElement?.removeChild(this._canvas);
     this._charAtlas?.dispose();
   }
 

src/browser/renderer/Renderer.ts

@@ -71,8 +71,8 @@ export class Renderer extends Disposable implements IRenderer {
   }
 
   public dispose(): void {
-    super.dispose();
     this._renderLayers.forEach(l => l.dispose());
+    super.dispose();
     removeTerminalFromCache(this._id);
   }