IMContextSimple/IMContextIME: Fix AltGr not working on Win32 [GTK4]
AltGr did not work on Win32 because the code assumed that any key press containing Ctrl or Alt cannot be regular text input. This is not correct on Win32 as AltGr = Ctrl + Alt.
AltGr did not work on Win32 because the code assumed that any key press containing Ctrl or Alt cannot be regular text input. This is not correct on Win32 as AltGr = Ctrl + Alt.