优化:清理代码,在R2B时清理不需要的多段线保存数据

src/Add-on/twoD2threeD/Polyline2Board.ts

@@ -826,15 +826,16 @@ export class Polyline2Board implements Command
         }
         else
         {
-            let rd = GetRectData(pl);
-            if (rd.isRect)
+            let reactData = GetRectData(pl);
+            if (reactData.isRect)
             {
-                pl.TempData = rd;
-                box = rd.box;
-                size = rd.size;
+                pl.TempData = reactData;
+                box = reactData.box;
+                size = reactData.size;
             }
             else
             {
+                pl.TempData = undefined;//clear
                 box = pl.BoundingBox;
                 size = box.getSize(new Vector3);
             }