fix(VWindow): fix wrong reverse animation logic for only 2 items (#12685)
fix(VWindow): fix wrong reverse animation logic for only 2 items (#12685)

* fix(vTabsItems): fix wrong reverse animation logic for only 2 items

fixes #12672

* reformat code to follow coding standard
vuetifyjs/vuetify,vuetifyjs/vuetify,vuetifyjs/vuetify,vuetifyjs/vuetify