Improve optional unwrapping
Improve optional unwrapping

alexsanderkhitev/ImagePickerSheetController,colemancda/ImagePickerSheetController,acavanaghww/ImagePickerSheetController,hejunbinlan/ImagePickerSheetController,hejunbinlan/ImagePickerSheetController,lbrndnr/ImagePickerSheetController,bangslosan/ImagePickerSheetController,jiaopen/ImagePickerSheetController,larcus94/ImagePickerSheetController,jiaopen/ImagePickerSheetController,mohsinalimat/ImagePickerSheet,machelix/ImagePickerSheetController,jabez1314/ImagePickerSheetController,hejunbinlan/ImagePickerSheetController,alexsanderkhitev/ImagePickerSheetController,jabez1314/ImagePickerSheetController,liangxianzhe/ImagePickerSheetController,bangslosan/ImagePickerSheetController,larcus94/ImagePickerSheetController,colemancda/ImagePickerSheetController,hulu001/ImagePickerSheetController,mohsinalimat/ImagePickerSheet,acavanaghww/ImagePickerSheetController,machelix/ImagePickerSheetController,bangslosan/ImagePickerSheetController,jabez1314/ImagePickerSheetController,colemancda/ImagePickerSheetController,hulu001/ImagePickerSheetController,lbrndnr/ImagePickerSheetController,machelix/ImagePickerSheetController,mohsinalimat/ImagePickerSheet,liangxianzhe/ImagePickerSheetController