[FIX] Send: fix on Enter behaviour  (RT-2624)
[FIX] Send: fix on Enter behaviour  (RT-2624)

rpCombobox - on Enter, do not choose single suggested choice
if dropdown is not visible

xdv/ripple-client,MatthewPhinney/ripple-client,h0vhannes/ripple-client,h0vhannes/ripple-client,MatthewPhinney/ripple-client,ripple/ripple-client,vhpoet/ripple-client,Madsn/ripple-client,darkdarkdragon/ripple-client,mrajvanshy/ripple-client,ripple/ripple-client,yongsoo/ripple-client,vhpoet/ripple-client,wangbibo/ripple-client,wangbibo/ripple-client,yongsoo/ripple-client,Madsn/ripple-client,Madsn/ripple-client,xdv/ripple-client,arturomc/ripple-client,vhpoet/ripple-client,wangbibo/ripple-client,darkdarkdragon/ripple-client,MatthewPhinney/ripple-client,wangbibo/ripple-client,Madsn/ripple-client,h0vhannes/ripple-client,mrajvanshy/ripple-client,ripple/ripple-client,vhpoet/ripple-client,arturomc/ripple-client,darkdarkdragon/ripple-client,darkdarkdragon/ripple-client,ripple/ripple-client,xdv/ripple-client,yongsoo/ripple-client,yongsoo/ripple-client,arturomc/ripple-client,arturomc/ripple-client,xdv/ripple-client,h0vhannes/ripple-client,MatthewPhinney/ripple-client,mrajvanshy/ripple-client,mrajvanshy/ripple-client