赵月辉 / fastgpt-migrated

* feat: undo-redo & edit snapshots

* fix merge

* add simple history back

* fix some undo

* change app latest version

* fix

* chatconfig

* fix snapshot

* fix

* fix

* fix

* fix compare

* fix initial

* fix merge:

* fix useEffect

* fix snapshot initial and saved state

* chore

* fix

* compare snapshot

* nodes edges useEffct

* fix chatconfig

* fix

* delete unused method

* fix

* fix

* fix

* default version name