Fix keypress catcher on fonts view.
Fix keypress catcher on fonts view.

tizzybec/tilemill,nyimbi/tilemill,nyimbi/tilemill,Teino1978-Corp/Teino1978-Corp-tilemill,tizzybec/tilemill,paulovieira/tilemill-clima,Teino1978-Corp/Teino1978-Corp-tilemill,fxtentacle/tilemill,Zhao-Qi/tilemill,MappingKat/tilemill,mbrukman/tilemill,Zhao-Qi/tilemill,fxtentacle/tilemill,Teino1978-Corp/Teino1978-Corp-tilemill,nyimbi/tilemill,Teino1978-Corp/Teino1978-Corp-tilemill,florianf/tileoven,mbrukman/tilemill,paulovieira/tilemill-clima,Zhao-Qi/tilemill,tilemill-project/tilemill,paulovieira/tilemill-clima,isaacs/tilemill,tizzybec/tilemill,MappingKat/tilemill,nyimbi/tilemill,paulovieira/tilemill-clima,florianf/tileoven,mbrukman/tilemill,MappingKat/tilemill,fxtentacle/tilemill,mbrukman/tilemill,florianf/tileoven,mbrukman/tilemill,paulovieira/tilemill-clima,tilemill-project/tilemill,tizzybec/tilemill,fxtentacle/tilemill,nyimbi/tilemill,tizzybec/tilemill,fxtentacle/tilemill,isaacs/tilemill,MappingKat/tilemill,Teino1978-Corp/Teino1978-Corp-tilemill,MappingKat/tilemill,tilemill-project/tilemill,Zhao-Qi/tilemill,Zhao-Qi/tilemill,isaacs/tilemill