Add tooltip to instances of IconButton (#68880)

* refactor: tooltip is required

* refactor: add tooltips

* refactor: add tooltips

* refactor: add tooltips

* refactor: add tooltips

* refactor: add tooltips

* refactor: add tooltips

* refactor: adjust tests

* refactor: apply changes from code review

* refactor: adjust component for e2e test

* refactor: adjust fallback

* refactor: apply changes from code review

* refactor: apply changes from code review

* refactor: set IconButton default as type=button and remove from use cases

* refactor:  remove aria-labels when duplicated and type=button from use cases

* refactor: clean up

* refactor: fix tests

* refactor: fix type errors

* refactor: remove changes in order in order to add them to a separate PR

* refactor: set IconButton default as type=button

* refactor: remove tooltip

* refactor: apply changes requested in review

public/app/plugins/panel/canvas/editor/layer/TreeNodeTitle.tsx

@@ -73,15 +73,17 @@ export const TreeNodeTitle = ({ settings, nodeData, setAllowSelection }: Props)
         <div className={styles.actionButtonsWrapper}>
           <IconButton
             name="copy"
-            title={'Duplicate'}
+            title="Duplicate"
             className={styles.actionIcon}
             onClick={() => onDuplicate(element)}
+            tooltip="Duplicate"
           />
           <IconButton
             name="trash-alt"
-            title={'remove'}
+            title="remove"
             className={styles.actionIcon}
             onClick={() => onDelete(element)}
+            tooltip="Remove"
           />
         </div>
       )}