Improve Bullet Widget

@@ -5,6 +5,7 @@
 - Implement To be signed flieds
 - Improve Text rendering
 - Add individual cell decoration
+- Improve Bullet Widget
 
 ## 3.2.0
 

@@ -165,8 +165,8 @@ class Paragraph extends StatelessWidget {
 }
 
 class Bullet extends StatelessWidget {
-  Bullet(
-      {this.text,
+  Bullet({
+    this.text,
     this.textAlign = TextAlign.left,
     this.style,
     this.margin = const EdgeInsets.only(bottom: 2.0 * PdfPageFormat.mm),
@@ -178,7 +178,8 @@ class Bullet extends StatelessWidget {
       right: 2.0 * PdfPageFormat.mm,
     ),
     this.bulletShape = BoxShape.circle,
-      this.bulletColor = PdfColors.black});
+    this.bulletColor = PdfColors.black,
+  });
 
   final String? text;
 
@@ -213,7 +214,9 @@ class Bullet extends StatelessWidget {
             decoration: BoxDecoration(color: bulletColor, shape: bulletShape),
           ),
           Expanded(
-            child: Text(
+            child: text == null
+                ? SizedBox()
+                : Text(
                     text!,
                     textAlign: textAlign,
                     style: Theme.of(context).bulletStyle.merge(style),