**Description**
<!-- Short description about this PR. NOTE: Never mix style changes, refactorings and new implementations in one PR. Keep it as simple as possible -->

**Todo / Checklist**
- [] Target is branch develop.
- [] Detailed description about this pull request.
- [] Checked AE-Coding standards.

**Tests Performed:** 
- [] Build AE with "TREAT_WARNINGS_AS_ERRORS" flag turned on.
- [] Server startup.
- [] Log into world.

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**Multiversion Ingame Tests Performed:**
- [] Classic
- [] TBC
- [] WotLK
- [] Cata
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