QFileDialog::getExistingDirectory() opens native OpenFileDialog instead of native BrowseDirectoryDialog

When calling QFileDialog::getExistingDirectory(), native OpenFileDialog is opened with the possibility to choose directory, instead of native BrowseDirectoryDialog.

Steps to reproduce:

• Run attached sample program
• Click button
• Observe the native dialog type

Expected result:

• BrowseDirectoryDialog is opened

Observed result:

• OpenFileDialog is opened