The new Quick Filter Files behaviour since 8b47e26 had not been implemented,
so this implements it and makes it an editor hotkey instead of a menu entry.
Fixes#7582.
(cherry picked from commit c4d6e54e93)
That year should bring the long-awaited OpenGL ES 3.0 compatible renderer
with state-of-the-art rendering techniques tuned to work as low as middle
end handheld devices - without compromising with the possibilities given
for higher end desktop games of course. Great times ahead for the Godot
community and the gamers that will play our games!
(cherry picked from commit c7bc44d5ad)
