* fix: tree should use jitter 0 by default
Otherwise, there may be inconsistency between the event and the actual data. But this will increase the cost when the index property is not used.
* chore: add changeset
* chore: fix warning
* refactor: enable tree move by default
* docs: update related docs
* feat: add old parent in tree diff
* chore: enable ci
* feat: add old_index to tree diff
* fix: new fractional index config
* fix: cargo fix
* fix: add FractionalIndexNotEnabled error
* fix: move config to tree state
* fix: error string
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Co-authored-by: Zixuan Chen <remch183@outlook.com>