Allow petskills to target pet for aoe

[MowFord]

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• I understand that if I do not agree to the following points by completing the checkboxes my PR will be ignored.
• I understand I should leave resolving conversations to the LandSandBoat team so that reviewers won't miss what was said.
• I have read and understood the Contributing Guide and the Code of Conduct.
• I have tested my code and the things my code has changed since the last commit in the PR and will test after any later commits.

What does this pull request do?

Adds the avatar to the targetfind results before any other party members to match retail

closes #4996

Steps to test these changes

use an aoe buff ability like Earthen Ward or Aerial Armor, see that it hits the avatar as described in the issue