Fix tooltip handling

[Obsouleet]

Gametooltip saw a lot changes in 10.0.2 - unfortunately this broke the addon.

Description

Motivation and Context

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have tested my changes in-game.
  • In Retail WoW.
  • In Classic WoW.
  • In Wrath of the Lich King (Wrath/WotLK) Classic WoW.

[Sharparam]

Thank you for the contribution! There are a few lint issues that need fixing, I've left a review comment on how to address it.

Are you able to test if these changes work in the Classic and WotLK clients as well? Otherwise I should be able to test it on Sunday evening.

[Sharparam]

I've tested the changes in Classic and Wrath Classic now and the new tooltip code does not exist there yet so there will need to be some code checking the WOW_PROJECT_ID and only use the new code on retail.

Do you feel comfortable adding those changes? I can also add them after the merge if that works better.

[toon1615]

Hello. Any ETA on when this would get merged?

[Sharparam]

There are the issued marked above that need fixing, but I might just adjust them myself for this PR later just to get it shipped out since it is important for fixing compatibility.