Preflight Checklist

• I have read the Contributing Guidelines for this project.
• I agree to follow the Code of Conduct that this project adheres to.
• I have searched the issue tracker for a feature request that matches the one I want to file, without success.

Electron Version

14.0.1

What operating system are you using?

Ubuntu

Operating System Version

20.10

What arch are you using?

x64

Last Known Working Electron version

13.4.0

Expected Behavior

dialog.showSaveDialogSync opens a save dialog

Actual Behavior

dialog.showSaveDialogSync is ignored and throws a console warning

[293296:0927/191734.375994:ERROR:browser_main_loop.cc(269)] Gtk: gtk_native_dialog_run: assertion '!priv->visible' failed

Testcase Gist URL

https://gist.github.com/legraphista/7498e518f623da1c20fed241d55e538d

Additional Information

No response