ImGui is now initialized once at startup and shutdown before
terminating. graphics initialization is independent.
Move more imgui stuff into imgui drivers.
switch: set scaling on external screen to 1.4, same as xbox
UI scaling refactoring.
Fix crash at startup due to race condition with game scanner
Don't allow selection of non-writable folder during onboarding
Add private internal and external Files folders to list of storage
locations to choose from
Assign first external android gamepad to port A instead of B
ui: Fix layout of controller mapping dialog when port=All
Flyinghead