electron: 'save as...' command opens native dialog at incorrect location

[vince-fugnitto]

Bug Description:

When using the electron example, the save as... command opens the native dialog at the incorrect location.
Instead of opening the dialog at the workspace root, or the currently selected file location, the native dialog opens at the directory from which the example-electron app is started.

In the following example, my workspace is vscode but the save as... dialog opens the example-electron directory:

bug.mp4

Steps to Reproduce:

1. start the example-electron application and open a workspace
2. open a file, and execute save as... - notice the incorrect cwd