fix(v-tabs): fixed-tabs needed the container to grow
fix(v-tabs): fixed-tabs needed the container to grow

**fixed-tabs** should be centered on desktop, but the container was not growing

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