Core/Entities: Use new PackedGuid class

src/server/scripts/Commands/cs_debug.cpp

@@ -361,11 +361,11 @@ public:
             }
             else if (type == "appitsguid")
             {
-                data.append(unit->GetPackGUID());
+                data << unit->GetPackGUID();
             }
             else if (type == "appmyguid")
             {
-                data.append(player->GetPackGUID());
+                data << player->GetPackGUID();
             }
             else if (type == "appgoguid")
             {
@@ -377,7 +377,7 @@ public:
                     ifs.close();
                     return false;
                 }
-                data.append(obj->GetPackGUID());
+                data << obj->GetPackGUID();
             }
             else if (type == "goguid")
             {