feat(ui): add configurable page widths and searchable controls

Add full-width and centered layout preferences across the app shell and workspaces.
Replace page-size selects with dropdowns and add searchable breadcrumb switching.

resources/views/livewire/project/database/heading.blade.php

@@ -1,4 +1,4 @@
-<nav wire:poll.10000ms="checkStatus" class="w-full max-w-[1180px] pb-4 md:pb-6 lg:pb-0">
+<nav wire:poll.10000ms="checkStatus" class="w-full max-w-none pb-4 md:pb-6 lg:pb-0">
     @php
         $databasePageItems = [
             [