Add new transition class name

- Modified transition class name needed for vue3.
- Add comment for vue version based classes.

Signed-off-by: Suren Neware <sneware9@in.ibm.com>
Change-Id: I3578ca7c45e71326e38888412a4f36c266b005a0
diff --git a/src/components/Global/TableToolbar.vue b/src/components/Global/TableToolbar.vue
index d22b37f..4baf836 100644
--- a/src/components/Global/TableToolbar.vue
+++ b/src/components/Global/TableToolbar.vue
@@ -103,7 +103,8 @@
 .slide-leave-active {
   transition: transform $duration--moderate-02 $exit-easing--productive;
 }
-.slide-enter,
+.slide-enter, // Remove this vue2 based only class when switching to vue3
+.slide-enter-from, // This is vue3 based only class modified from 'slide-enter'
 .slide-leave-to {
   transform: translateY($toolbar-height);
 }