change tooltip placement to top

[GeronimoJohn]

Fixes #4892

👩🏻‍💻 What does this PR do?

The current placement of the tooltip obscures or hides data entry fields. To fix this issue we are to move up the placement of the tooltip from bottom to the top.

💌 Any notes for the reviewer?

🧪 Testing

• Visit any page that renders a data table
• Hover over the column title
• Tooltip should be rendering at the top of the text

📃 Documentation

• Part of an epic: documentation will be completed for the feature as a whole
• No documentation required: no user facing changes or a bug fix which isn't a change in behaviour
• These areas should be updated or checked:
  1.
  2.

[github-actions]

Bundle size difference

Comparing this PR to main

Old size	New size	Diff
4.99 MB	4.99 MB	-9 B (-0.00%)

[lache-melvin]

Yay thank you! Side note - if you could add a screenshot to your PRs when you create UI changes, that would be lovely for getting context going into a review 😁