fix(ci): address visual regression failure and cleanup css

Force click on sidebar collapse toggle in visual tests to resolve headless visibility flake. Removed redundant CSS media queries for sidebar elements.

Co-authored-by: PR0M3TH3AN <[email protected]>

css/tailwind.source.css

@@ -4753,14 +4753,6 @@
   }
 
   @media (min-width: theme("screens.md")) {
-    .sidebar-panel__header {
-      display: flex;
-    }
-
-    .sidebar-collapse-toggle {
-      display: inline-flex;
-    }
-
     #sidebar {
       transform: translateX(0) !important;
       width: var(--sidebar-width);