Hide header avatar on mobile and sync shared mobile nav partials.

Profile moves to the bottom nav sheet on small screens; optional search tab
support is synced from the Ladill platform template.

Co-authored-by: Cursor <cursoragent@cursor.com>

resources/views/partials/mobile-bottom-nav.blade.php

@@ -1,5 +1,9 @@
 @php
-    $gridCols = !empty($centerCompose) ? 'grid-cols-5' : 'grid-cols-4';
+    $showSearch = isset($searchUrl) && $searchUrl !== null && $searchUrl !== '#';
+    $gridCols = match (true) {
+        ! empty($centerCompose) => $showSearch ? 'grid-cols-5' : 'grid-cols-4',
+        default => $showSearch ? 'grid-cols-4' : 'grid-cols-3',
+    };
     $avatarUrl = $avatarUrl ?? null;
     $initials = $initials ?? 'U';
     $notificationsUrl = $notificationsUrl ?? '#';
@@ -23,11 +27,13 @@
                 <span class="text-[10px] font-medium">Home</span>
             </a>
 
-            <a href="{{ $searchUrl }}"
-               class="flex flex-col items-center justify-center gap-1 px-2 py-2 transition hover:text-slate-900 {{ $navActive($searchActive ?? false) }}">
-                <svg class="h-6 w-6" fill="none" stroke="currentColor" stroke-width="1.5" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" d="m21 21-5.197-5.197m0 0A7.5 7.5 0 1 0 5.196 5.196a7.5 7.5 0 0 0 10.607 10.607Z"/></svg>
-                <span class="text-[10px] font-medium">Search</span>
-            </a>
+            @if ($showSearch)
+                <a href="{{ $searchUrl }}"
+                   class="flex flex-col items-center justify-center gap-1 px-2 py-2 transition hover:text-slate-900 {{ $navActive($searchActive ?? false) }}">
+                    <svg class="h-6 w-6" fill="none" stroke="currentColor" stroke-width="1.5" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" d="m21 21-5.197-5.197m0 0A7.5 7.5 0 1 0 5.196 5.196a7.5 7.5 0 0 0 10.607 10.607Z"/></svg>
+                    <span class="text-[10px] font-medium">Search</span>
+                </a>
+            @endif
 
             @if (!empty($centerCompose))
                 <div class="flex items-center justify-center">