Core/Movement: Remove PLAYER_FLAGS_IS_OUT_OF_BOUNDS flag if player manages to move back in bounds (pretty much gms only) (#23664)

(cherry picked from commit fcb50c5e65)

src/server/game/Handlers/MovementHandler.cpp

@@ -434,6 +434,8 @@ void WorldSession::HandleMovementOpcodes(WorldPacket& recvData)
                 }
             }
         }
+        else
+            plrMover->RemoveFlag(PLAYER_FLAGS, PLAYER_FLAGS_IS_OUT_OF_BOUNDS);
     }
 }