[GEN][ZH] Reset last selected group on global deselection

Author: Stubbjax

Generals/Code/GameEngine/Source/GameClient/MessageStream/SelectionXlat.cpp

@@ -962,6 +962,7 @@ GameMessageDisposition SelectionTranslator::translateGameMessage(const GameMessa
  					if (! TheGlobalData->m_useAlternateMouse || TheInGameUI->getPendingPlaceSourceObjectID() != INVALID_ID)
  					{
  						deselectAll();
+						m_lastGroupSelGroup = -1;
  					}
  				}
 			}

GeneralsMD/Code/GameEngine/Source/GameClient/MessageStream/SelectionXlat.cpp

@@ -954,6 +954,7 @@ GameMessageDisposition SelectionTranslator::translateGameMessage(const GameMessa
 						if( !TheInGameUI->getPreventLeftClickDeselectionInAlternateMouseModeForOneClick() )
 						{
 							deselectAll();
+							m_lastGroupSelGroup = -1;
 						}
 						else
 						{