https://github.com/user-attachments/assets/6bce5fa3-fb25-4906-bef1-50d4da4a13f6
This PR addresses #12769 and improves table editing UX by making Enter
commit changes and move focus down, and Tab/Shift+Tab move focus
horizontally—matching spreadsheet-like behavior.
Typing now immediately enters edit mode for selected cells without
double-clicking.
These updates apply to both the standard and virtual table views.
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
- **New Features**
- You can now start editing a table cell by simply typing any character
while the cell is selected.
- **Improvements**
- Pressing Enter while editing a cell will exit editing and move focus
down.
- Pressing Tab or Shift-Tab while editing a cell will exit editing and
move focus right or left, respectively.
- **Tests**
- Added unit tests for table cell hotkey behaviors to ensure reliable
editing and navigation.
- **Chores**
- Introduced Vitest configuration for streamlined testing and coverage
reporting.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
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Co-authored-by: L-Sun <zover.v@gmail.com>
