"Alt Gr + key" enabling unwanted shortcut

[Skysplit]

Several laptops' got Alt Gr key instead of just Alt
Pressing combination Alt Gr + o works like Ctrl + shift + o and shows Quick Open dialog instead of letter ó (polish localization).

[peterflynn]

Duplicate of #4744, #2893, etc. You can follow our progress on this here: https://trello.com/c/4k2yalBd/localized-keyboard-shortcuts-for-non-us-keyboard-layouts