Core/Player: auto-attacked player stands up from sit or sleep state (#25684)

* Fixed Auto Attack bug on sitting player

* Victim now stands during sleep and stand emotes

(cherry picked from commit 4ea64b515a)

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

@@ -1041,6 +1041,10 @@ bool Unit::HasBreakableByDamageCrowdControlAura(Unit* excludeCasterChannel) cons
         }
     }
 
+    // check to see if victim is sitting
+    if (victim->GetStandState())
+        victim->SetStandState(UNIT_STAND_STATE_STAND);
+
     return damage;
 }