fix(VTabs): don't provide own theme
fix(VTabs): don't provide own theme

theme override should only apply to self, pass through should be from parent

prevents content becoming dark when you just want to set the bar text colour

Webifi/vuetify,Phlow2001/vuetify,Phlow2001/vuetify,Phlow2001/vuetify,vuetifyjs/vuetify,vuetifyjs/vuetify,vuetifyjs/vuetify,vuetifyjs/vuetify,Webifi/vuetify,Phlow2001/vuetify,Webifi/vuetify