Possible to close Tasks with unsaved changes

## What Happened

If I'm editing a task and close the window, the app quits and loses whatever changes I made. I need to click the Save button for it to save.

## Expected Behavior

Tasks should display a warning or disable closing the window until the task is saved.

## Steps to Reproduce

1. Start editing a task. Don't click save.
2. Close Tasks.
3. Open tasks and see that your changes are gone.

### Logs

## Platform Information

Compiled from Git on Odin