Need to clic to times to button when you quit a field with onbur ajaxevent !! urgent

Hello again

This bug is remaining not resolved yet, waiting for severals months now !!!

to remember : if you add a onbur ajaxevent to a field, you enter into this field for input and you clic directly to a button you need to clic a second time to this button to execute it

Please bug teams , do something for that it was working on sc7
Thanks