Cura: [3.6.0] Save to Removable drive ignores the file already exists

[yclee126]

Application Version
3.6.0

Platform
Windows 10 x64 Home edition

Steps to Reproduce

1. Load a model.
2. Insert a removable drive.
3. Click "Save to Removable Drive" button and wait till complete.
4. Click again "Save to Removable Drive" button.

Actual Results
The gcode file is overwritten without any warning.

Expected results
Pop a warning dialog about the file already exists, asking the user to choose what to do.

Additional Information
Someone just lost a model with same name.

[fieldOfView]

This is by design. I'm not saying the design is necessarily good, but it was a deliberate choice not to ask the user every time when he/she is doing iterations.

I guess a dialog with a "don't ask me again" option would be nice.