Core/Pet: PetAbandon() does nothing for other pets than hunter's

Description

Source for "/run PetAbandon()" cases : "- Demons about to die can be dismissed and nearly instantly resummoned with Fel Domination. This will conserve their buffs, and bring them back with full health and mana. The command to dismiss a demon is /run PetAbandon(), which can be macro'd and assigned to a button."

Relevant code: https://github.com/TrinityCore/TrinityCore/blob/e30e023b4aa142d0a2f959640435ec5f5be3c030/src/server/game/Handlers/PetHandler.cpp#L671

Possible related/fix: https://github.com/cmangos/mangos-tbc/commit/8f9772e413e31804606be33f63f03bfe14d0b3ad

Expected behaviour

Source for "/run PetAbandon()" cases : "- Demons about to die can be dismissed and nearly instantly resummoned with Fel Domination. This will conserve their buffs, and bring them back with full health and mana. The command to dismiss a demon is /run PetAbandon(), which can be macro'd and assigned to a button."

Steps to reproduce the problem

Be warlock /run PetAbandon() nothing happens

Branch

3.3.5

TC rev. hash/commit

e30e023b4aa142d0a2f959640435ec5f5be3c030

Operating system

Windows 11

Custom changes

None