Fixed: editing textFields on different windows can clobber each others contents
Fixed: editing textFields on different windows can clobber each others contents

Was be caused by resignFirstResponder not checking that the input owner is self.

Fixes #1983

koamac/Cappuccino,FrankReh/cappuccino,Rosch/cappuccino,enquora/cappuccino,mrcarlberg/cappuccino,enquora/cappuccino,cacaodev/cappuccino,zittix/cappuccino,FrankReh/cappuccino,mrcarlberg/cappuccino,primalmotion/cappuccino,daboe01/cappuccino,daboe01/cappuccino,Dogild/cappuccino,rgv151/cappuccino,daboe01/cappuccino,Dogild/cappuccino,krodelin/cappuccino,AlexanderMazaletskiy/cappuccino,wangshijin/cappuccino,koamac/Cappuccino,Dogild/cappuccino,enquora/cappuccino,Dogild/cappuccino,koamac/Cappuccino,enquora/cappuccino,krodelin/cappuccino,wangshijin/cappuccino,primalmotion/cappuccino,tancred/cappuccino,primalmotion/cappuccino,zittix/cappuccino,tancred/cappuccino,koamac/Cappuccino,enquora/cappuccino,rgv151/cappuccino,tancred/cappuccino,kidaa/cappuccino,mrcarlberg/cappuccino,primalmotion/cappuccino,enquora/cappuccino,zittix/cappuccino,krodelin/cappuccino,rgv151/cappuccino,deltaprojects/cappuccino,kidaa/cappuccino,Rosch/cappuccino,krodelin/cappuccino,AlexanderMazaletskiy/cappuccino,kidaa/cappuccino,tancred/cappuccino,mrcarlberg/cappuccino,mrcarlberg/cappuccino,zittix/cappuccino,cacaodev/cappuccino,zittix/cappuccino,cacaodev/cappuccino,FrankReh/cappuccino,zittix/cappuccino,cacaodev/cappuccino,rgv151/cappuccino,deltaprojects/cappuccino,enquora/cappuccino,tancred/cappuccino,mrcarlberg/cappuccino,deltaprojects/cappuccino,wangshijin/cappuccino,krodelin/cappuccino,cacaodev/cappuccino,krodelin/cappuccino,Dogild/cappuccino,Rosch/cappuccino,cappuccino/cappuccino,deltaprojects/cappuccino,kidaa/cappuccino,daboe01/cappuccino,krodelin/cappuccino,AlexanderMazaletskiy/cappuccino,wangshijin/cappuccino,Rosch/cappuccino,deltaprojects/cappuccino,daboe01/cappuccino,zittix/cappuccino,deltaprojects/cappuccino,rgv151/cappuccino,FrankReh/cappuccino,Dogild/cappuccino,mrcarlberg/cappuccino,FrankReh/cappuccino,cappuccino/cappuccino,rgv151/cappuccino,AlexanderMazaletskiy/cappuccino,wangshijin/cappuccino,cappuccino/cappuccino,Dogild/cappuccino,deltaprojects/cappuccino,koamac/Cappuccino,kidaa/cappuccino,Rosch/cappuccino,primalmotion/cappuccino,FrankReh/cappuccino,mrcarlberg/cappuccino,FrankReh/cappuccino,kidaa/cappuccino,cacaodev/cappuccino,wangshijin/cappuccino,rgv151/cappuccino,primalmotion/cappuccino,AlexanderMazaletskiy/cappuccino,primalmotion/cappuccino,daboe01/cappuccino,cappuccino/cappuccino,cappuccino/cappuccino,daboe01/cappuccino,AlexanderMazaletskiy/cappuccino,koamac/Cappuccino,FrankReh/cappuccino,cappuccino/cappuccino,Rosch/cappuccino,Rosch/cappuccino,tancred/cappuccino,cacaodev/cappuccino,cappuccino/cappuccino