Tooltips can get cut off at the top of the screen

The Bug:

Tooltips can get cut off at the top of the screen.

This issue isn’t exclusive to dialogs; it can be seen elsewhere as well.

Steps to Reproduce:

1. Display the appropriate dialog by using the command provided below.

   /dialog show @s {"type":"minecraft:notice","title":"MC-299894","body":{"type":"minecraft:item","item":{"id":"minecraft:diamond"},"description":"This is a diamond."}}

2. Click on the diamond, move your mouse cursor toward the top of your screen, and observe if the tooltip of the diamond gets cut off.

Observed Behavior:

Tooltips can get cut off at the top of the screen.

Expected Behavior:

Tooltips would not get cut off at the top of the screen.