fix(vue3): Fix vue3 components remounting every time a key is added to state

[alesgenova]

No description provided.

[alesgenova]

The codespell error is unrelated to this PR, it has to do with a typo in another commit message that ended up in the changelog

[jourdain]

Can you trigger an event with {type: "new-keys", keys: [...] }. It won't be use right now, but could be useful down the road.

[alesgenova]

Can you trigger an event with {type: "new-keys", keys: [...] }. It won't be use right now, but could be useful down the road.

Added the new-keys event, and actually refactored the fix to use it in TrameTemplate.js

[jourdain]

Commit message should be fix(vue3): prevent remounting when keys are added

No upper case after :

[jourdain]

you can also edit the codespell check to skip the changelog