Core/Spells: Define and implement SPELL_ATTR7_NO_PUSHBACK_ON_DAMAGE
Core/PetAI: Pin should not be interrupted if the victim has a breakable aura
Merge pull request #12160 from Trisjdc/petai

Core/PetAI: Pin should not be interrupted if the victim has a breakable aura
Merge pull request #12007 from Trisjdc/spell_pushback

Core/Spells: Define and implement SPELL_ATTR7_NO_PUSHBACK_ON_DAMAGE
CoreCore/NetworkIO: Fix disconnect when canceling character creation

Remove the filter on CMSG_CHAR_ENUM added in 59b4c3492482b7536651625f0b1ed0ef87f52e79 since the same opcode is already throttled in the new improved system. DoS attacks using this opcode are still mitigated with same effect of before.
Fixes #10915