REPORT-55468 改下布局，对齐边界

designer-base/src/main/java/com/fr/design/layout/FRGUIPaneFactory.java

@@ -47,12 +47,12 @@ public class FRGUIPaneFactory {
     }
 
     /**
-     * 创建一个靠左的布局，上下间隔为0，左右间隔为常量
+     * 创建一个靠左的布局，上下间隔为0，左右间隔为常量，首间隔为0
      *
      * @return FlowLayout对象
      */
     public static LayoutManager createLeftZeroVgapNormalHgapLayout() {
-        return new FlowLayout(FlowLayout.LEFT, 5, 0);
+        return new FRLeftFlowLayout(0, 5, 0);
     }