REPORT-70452 fix 绘制空border && 清空按钮展示逻辑调整

designer-realize/src/main/java/com/fr/design/mainframe/alphafine/component/AlphaFineTextField.java

@@ -40,6 +40,11 @@ public class AlphaFineTextField extends UITextField {
         g2.drawString(placeHolder, getInsets().left, g.getFontMetrics().getMaxAscent() + getInsets().top + PLACE_HOLDER_GAP);
     }
 
+    @Override
+    protected void paintBorder(Graphics g) {
+        // do nothing
+    }
+
     public String getPlaceHolder() {
         return placeHolder;
     }