Y.js backend enhancements and debug helpers #4310
Merged
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📝 Summary
While looking into #4309 I thought it might be nicer to actually decode parts of the y.js message to perform relevant checks on it. This is now done in the YjsMessage class where so far only the relevant bits for extracting the message type is implemented. Upstream references are left in the code.
In addition I added a few logging parts in comments that might be useful in future debugging/development.
🏁 Checklist
npm run lint
/npm run stylelint
/composer run cs:check
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