efl - ecore c+ ecore-imf - fix odd case input when faking a real event

efl - ecore c+ ecore-imf - fix odd case input when faking a real event

so ibus module for ecore-imf likes to send an x event back to
ourselves faking a key... this works unless we are looking at
modifiers that make make for odd combos with keysyms turned into
keycodes. so actualyl use the correct original keycode plus state
unless we are having to explicitly send a keysym from ibus core.

this fixes T3703

@fix