fix mangled copypaste

Engine/source/gui/worldEditor/worldEditor.cpp

@@ -487,8 +487,8 @@ bool WorldEditor::pasteSelection( bool dropSel )
       if ( !obj )
          continue;
 
-      StringTableEntry baseName = obj->getName();
-      const char * outName = (baseName != StringTable->EmptyString()) ? Sim::getUniqueName(baseName).c_str() : StringTable->EmptyString();
+      String baseName = obj->getName();
+      String outName = (baseName.isNotEmpty()) ? Sim::getUniqueName(baseName) : String::EmptyString;
       obj->assignName(outName);
 
       if (targetGroup)