Never disposed onUnmounted

[starnayuta]

There is never any dispose in MonacoEditor.client.vue and MonacoDiffEditor.client.vue.

The monaco-editor samples and other similar libraries that use it often dispose on unmount.
https://github.com/microsoft/monaco-editor/blob/main/samples/browser-esm-vite-react/src/components/Editor.tsx#L21

Here is a description of disposables.
https://github.com/microsoft/monaco-editor#disposables

Here is a list of targets for disepose, which varies with each library.

• editor.dispose()
• model.dispose()
• other disposables (ex: return value of event.)

[e-chan1007]

This was fixed in v1.2.4.