Fixes titlebar to display the correct file name, and to not display names when no file is selected
Fixes titlebar to display the correct file name, and to not display names when no file is selected

oxeron/CocosBuilder,apportable/SpriteBuilder,apportable/SpriteBuilder,oxeron/SpriteBuilder,eric-seekas/SpriteBuilder,diogocarneiro/SpriteBuilder,rraallvv/SpriteBuilder,eric-seekas/SpriteBuilder,DNESS/SpriteBuilder,RobertPeng/SpriteBuilder,olegnaumenko/SpriteBuilder,quicklyslow/SpriteBuilder,rraallvv/SpriteBuilder,apportable/SpriteBuilder,ZeusbaseGameWorkshop/SpriteBuilder,diogocarneiro/SpriteBuilder,olegnaumenko/SpriteBuilder,rraallvv/SpriteBuilder,eric-seekas/SpriteBuilder,quicklyslow/SpriteBuilder,eric-seekas/SpriteBuilder,oxeron/CocosBuilder,oxeron/CocosBuilder,RobertPeng/SpriteBuilder,oxeron/SpriteBuilder,ZeusbaseGameWorkshop/SpriteBuilder,eric-seekas/SpriteBuilder,oxeron/SpriteBuilder,ZeusbaseGameWorkshop/SpriteBuilder,oxeron/SpriteBuilder,DNESS/SpriteBuilder,spritebuilder/SpriteBuilder,ZeusbaseGameWorkshop/SpriteBuilder,spritebuilder/SpriteBuilder,RobertPeng/SpriteBuilder,rraallvv/SpriteBuilder,spritebuilder/SpriteBuilder,oxeron/SpriteBuilder,DNESS/SpriteBuilder,diogocarneiro/SpriteBuilder,apportable/SpriteBuilder,olegnaumenko/SpriteBuilder,ZeusbaseGameWorkshop/SpriteBuilder,diwip/SpriteBuilder,apportable/SpriteBuilder,quicklyslow/SpriteBuilder,diwip/SpriteBuilder,RobertPeng/SpriteBuilder,diogocarneiro/SpriteBuilder,olegnaumenko/SpriteBuilder,diwip/SpriteBuilder,DNESS/SpriteBuilder,eric-seekas/SpriteBuilder,oxeron/CocosBuilder,ZeusbaseGameWorkshop/SpriteBuilder,rraallvv/SpriteBuilder,diogocarneiro/SpriteBuilder,DNESS/SpriteBuilder,diwip/SpriteBuilder,spritebuilder/SpriteBuilder,apportable/SpriteBuilder,quicklyslow/SpriteBuilder,oxeron/CocosBuilder,spritebuilder/SpriteBuilder,diogocarneiro/SpriteBuilder,oxeron/CocosBuilder,olegnaumenko/SpriteBuilder,DNESS/SpriteBuilder,olegnaumenko/SpriteBuilder,diwip/SpriteBuilder,oxeron/SpriteBuilder,RobertPeng/SpriteBuilder,RobertPeng/SpriteBuilder,diwip/SpriteBuilder,quicklyslow/SpriteBuilder,spritebuilder/SpriteBuilder