uiL Fix broken bulk settings menu (#5338)

The bulk settings menu was not showing up in the area select menu due to
a change in how the menu divider works. This change just makes it so
these settings appear again.

<img width="592" height="434" alt="image"
src="https://github.com/user-attachments/assets/e188f35a-4194-491b-932b-de1860c4e8a0"
/>

Author: stevegolton

ui/src/assets/widgets/menu.scss

@@ -46,11 +46,11 @@
 
   .pf-menu-title {
     font-family: var(--pf-font-compact);
-    font-weight: 800;
-    font-size: var(--pf-font-size-m);
+    font-weight: bolder;
+    font-size: var(--pf-font-size-xs);
     text-transform: uppercase;
-    // color: var(--pf-color-text-muted);
-    padding: 3px 8px 3px 8px;
+    color: var(--pf-color-text-muted);
+    padding: 6px 8px 3px 8px;
     user-select: none;
   }
 }

ui/src/core_plugins/dev.perfetto.Timeline/timeline_toolbar.ts

@@ -113,9 +113,10 @@ export class TimelineToolbar implements m.ClassComponent<TimelineToolbarAttrs> {
           },
           `Changes apply to all selected tracks`,
         ),
-        m(MenuDivider, {label: 'Workspace'}),
+        m(MenuTitle, {label: 'Workspace'}),
         this.renderCopySelectedTracksToWorkspace(trace, selection),
-        m(MenuDivider, {label: 'Bulk track settings'}, settingsMenuItems),
+        m(MenuTitle, {label: 'Bulk track settings'}),
+        settingsMenuItems,
       ],
     );
   }