Desktop only: Show a dialog when file can't be opened by installed apps.

The "open play store" button takes users to Play Store search with the
file extension prefilled in the search box.

Bug: 381960392
Flag: com.android.documentsui.flags.desktop_file_handling_ro
Test: atest DocumentsUIGoogleTests && manual testing

Change-Id: I25be6603eead879d8519216991693e801a4ed702