fix: always include the cursor extension #2244

[nperez0111]

Summary

Since extensions can depend on one another, I think that we need for this extension to always be present if in collab mode, and just remove the prosemirror plugin if it should not actually apply to the current editor.

Rationale

Changes

Impact

Testing

Screenshots/Video

Checklist

• Code follows the project's coding standards.
• Unit tests covering the new feature have been added.
• All existing tests pass.
• The documentation has been updated to reflect the new feature

Additional Notes

#2244

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Project	Deployment	Preview	Updated (UTC)
blocknote	Ready	Preview	Dec 11, 2025 0:55am
blocknote-agent-demo	Error		Dec 11, 2025 0:55am
blocknote-website	Ready	Preview	Dec 11, 2025 0:55am

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commit: c71ee4e