Optimization of Mind Mapping Functions:
- Adjust the node menu to a grid display and add a collapsible menu feature to reduce obstruction.
- Keep keyboard open when switching nodes in edit mode for better editing experience.
- Add a new timeline layout, and add the display of fish tail in the fishbone diagram.
- Fix the issue of synchronization failure in some cases.
- Add a file sharing entry after local backup
- Optimize user experience.