Allow us to leave the keybind menu without committing changes or resetting to the defaults. I can't believe this has been missed, honestly. If I've already made a ton of keybind changes (say, equip wheel) and later make a change I can't undo or find a way to reverse I can't simply exit the menu if something is left unbound. I have to Alt+F4 to undo changes, or reset all previous equip wheel changes made months ago.
For reference, this happened as I was trying to swap primary fire and alt fire. Doing so unbound the shared Mouse3 button on melee heavy attack and primary fire. I could