Added tooltips to tree list header buttons in Web IDE
What does this MR do?
Adds tooltips to the buttons in the Web IDE tree list header.
What are the relevant issue numbers?
Closes #50141 (closed)
Does this MR meet the acceptance criteria?
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Changelog entry added, if necessary -
Documentation created/updated -
Tests added for this feature/bug -
Conforms to the code review guidelines -
Conforms to the merge request performance guidelines -
Conforms to the style guides -
Conforms to the database guides