fix(VBottomNavigation): set inline margin to auto (#21357)

fixes #21316

Author: jcjp

packages/vuetify/src/components/VBottomSheet/VBottomSheet.sass

@@ -21,7 +21,7 @@
       flex: 0 1 auto
       left: 0
       right: 0
-      margin-inline: 0
+      margin-inline: auto
       margin-bottom: 0
       transition-duration: $bottom-sheet-transition-duration
       width: 100%