Change 'revert' button to title case

- Switch 'revert' button text to title case for consistency and more
  formal and professional look.
- Update related styles to reflect the new case usage.
- Adjust tests to match the new button label casing.
- Remove reduntant visibility switch between to elements to simpify the
  DOM and style rules.

src/presentation/components/Scripts/View/Tree/NodeContent/RevertToggle.vue

@@ -2,7 +2,7 @@
   <ToggleSwitch
     v-model="isReverted"
     :stop-click-propagation="true"
-    :label="'revert'"
+    :label="'Revert'"
   />
 </template>