adjusted spacing

flutter/lib/desktop/widgets/menu_button.dart

@@ -17,7 +17,7 @@ class MenuButton extends StatefulWidget {
     required this.icon,
     this.splashColor,
     this.tooltip = "",
-    this.padding = const EdgeInsets.all(5),
+    this.padding = const EdgeInsets.symmetric(horizontal: 2.5, vertical: 5),
     this.enableFeedback = true,
   });
 

flutter/lib/desktop/widgets/remote_menubar.dart

@@ -449,7 +449,11 @@ class _RemoteMenubarState extends State<RemoteMenubar> {
             ),
             child: Row(
               mainAxisSize: MainAxisSize.min,
-              children: menubarItems,
+              children: [
+                SizedBox(width: 2.5),
+                ...menubarItems,
+                SizedBox(width: 2.5)
+              ],
             ),
           ),
           _buildDraggableShowHide(context),