fix(v-tabs): slider not re-positioning
fix(v-tabs): slider not re-positioning

fixed a bug where the `v-tabs-slider` component was not being adjusted properly when the `v-content`
component was being altered from the `v-navigation-drawer` component

fixes #684

(cherry picked from commit 574e0d634bbe16140fe0659b17643d78cb6e2227)

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