🐞 Discard All Changes should have an alert when there are no changes

[phlpsong]

Description

Should have an alert dialog if no changes no discard

To Reproduce

1. Switch to Version Control tab in project navigator
2. Select Discard All Changes in bottom toolbar

Expected Behavior

Should have an alert dialog if no changes no discard

Version Information

CodeEdit: [e.g. 0.0.x-alpha.y]
macOS: [e.g. 13.2.1]
Xcode: [e.g. 14.2]

Additional Context

No response

Screenshots

no_discard_alert.mov