fix(VSnackbar): don't cancel close timeout after a touch event

These events aren't supported in older browser versions but it's a
non-critical feature so they can just suffer I guess.

fixes #13904

Author: KaelWD

Diff for: packages/vuetify/src/components/VSnackbar/VSnackbar.ts

@@ -173,8 +173,8 @@ export default mixins(
           value: this.isActive,
         }],
         on: {
-          mouseenter: () => window.clearTimeout(this.activeTimeout),
-          mouseleave: this.setTimeout,
+          pointerenter: () => window.clearTimeout(this.activeTimeout),
+          pointerleave: this.setTimeout,
         },
       })