fix(hook): OnBeforeInitTalentForLevel

[kaytotes]

This is a sister PR to https://github.com/azerothcore/azerothcore-wotlk/pull/7389 to fix the usage of this hook within this module as it's used for testing builds.

Prior to this the hook wasn't fired at all so probably dead code here but might as well make it fit.

[FrancescoBorzi]

cc @Yehonal

[kaytotes]

Looks like we've got a bit of a conflict with the CI here and on azerothcore-wotlk and we'll have to merge one or the other in first to resolve it since this is pulling master from there to run the clang build.

[Helias]

let's merge the on in azerothcore-wotlk and later this