fixed lazy prop functionality for #763
fixed lazy prop functionality for #763

Webifi/vuetify,Phlow2001/vuetify,vuetifyjs/vuetify,vuetifyjs/vuetify,Webifi/vuetify,azaars/vuetify,KaelWD/vuetify,azaars/vuetify,stephane/vuetify,stephane/vuetify,Webifi/vuetify,Phlow2001/vuetify,KaelWD/vuetify,KaelWD/vuetify,stephane/vuetify,Phlow2001/vuetify,vuetifyjs/vuetify,vuetifyjs/vuetify,Phlow2001/vuetify