REPORT-56906&REPORT-56926 修正一个笔误

designer-base/src/main/java/com/fr/design/gui/itextfield/UIPositiveIntNumberField.java

@@ -25,7 +25,7 @@ public class UIPositiveIntNumberField extends UINumberField {
         public void insertString(int offset, String s, AttributeSet a) throws BadLocationException {
             String str = getText(0, getLength());
 
-            if (!s.matches("^[0-9\\-]+$")) {
+            if (!s.matches("^[0-9]+$")) {
                 Toolkit.getDefaultToolkit().beep();
                 return;
             }