Improve code

lib/ui/widgets/navbar_widget.dart

@@ -189,7 +189,7 @@ class _MenuItemWidget extends StatelessWidget {
   final OnSelectMenuAction onTap;
   final bool isSelected;
 
-  /// A number to notify of news.
+  /// Notifications notice
   final int newNotice;
 
   const _MenuItemWidget({
@@ -225,9 +225,7 @@ class _MenuItemWidget extends StatelessWidget {
       mainAxisAlignment: MainAxisAlignment.center,
       crossAxisAlignment: CrossAxisAlignment.center,
       children: <Widget>[
-        Spacer(
-          flex: 2,
-        ),
+        Spacer(flex: 2),
         IconTheme(
           data: IconThemeData(
               color: isSelected ? _primaryColor() : _secondaryColor()),
@@ -246,9 +244,7 @@ class _MenuItemWidget extends StatelessWidget {
                 borderRadius: BorderRadius.all(
                   Radius.circular(50.0),
                 )),
-        Spacer(
-          flex: 2,
-        ),
+        Spacer(flex: 2),
       ],
     );
   }