Core/Creature: Fix problems with neutral innkeepers

src/server/game/Entities/Unit/Unit.cpp

@@ -11975,8 +11975,8 @@ bool Unit::_IsValidAssistTarget(Unit const* target, SpellInfo const* bySpell) co
     }
 
     // can't assist non-friendly targets
-    if (GetReactionTo(target) <= REP_NEUTRAL
-        && target->GetReactionTo(this) <= REP_NEUTRAL
+    if (GetReactionTo(target) < REP_NEUTRAL
+        && target->GetReactionTo(this) < REP_NEUTRAL
         && (!ToCreature() || !(ToCreature()->GetCreatureTemplate()->type_flags & CREATURE_TYPEFLAGS_PARTY_MEMBER)))
         return false;