Made renaming of terrain materials on importing terrainblocks to use the full assetId, as it should

Templates/BaseGame/game/tools/projectImporter/scripts/projectImporter.tscript

@@ -1661,7 +1661,7 @@ function beginTerrainImport()
                      if(%terrMatAssetId !$= "")
                      {
                         //Ok, success, lets run the rename
-                        if(%terrBlock.renameTerrainMaterial(%terrMatName, %terrMatName @ "_terrainMat"))
+                        if(%terrBlock.renameTerrainMaterial(%terrMatName, %terrMatAssetId))
                            %matNamesChanged = true;
                      }
                   }