fix(vue-3): provide app global

[Rirax]

Changes Overview

In refacto's work to improve rendering performance of vue-3 components we attached appContext to EditorContent but forgot to bind it to the rendered vNode.
#5206

Implementation Approach

We bind appContext on the rendered vNode

Testing Done

Verification Steps

Additional Notes

Checklist

• I have created a changeset for this PR if necessary.
• My changes do not break the library.
• I have added tests where applicable.
• I have followed the project guidelines.
• I have fixed any lint issues.

Related Issues

#5323

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