fix(ui): improve dropdown positioning and empty backup states

Refactor dropdown behavior, add sorted resource selection to breadcrumbs, and show an empty state when no backup executions exist.

resources/views/components/table/dropdown.blade.php

@@ -4,20 +4,13 @@
     'multiselectable' => false,
 ])
 
-@php($panelId = 'table-dropdown-'.uniqid())
-
-<div class="relative"
-    x-data="floatingDropdown({ panelId: @js($panelId), portal: true, align: 'right', matchTriggerWidth: false })"
-    @click.outside="close()" @keydown.escape.window="close()"
-    @resize.window="open && schedulePosition()" @scroll.window="open && schedulePosition()">
-    <div x-ref="trigger" @click="toggle()">
+<div class="relative" x-data="{ open: false }" @click.outside="open = false" @keydown.escape.window="open = false">
+    <div @click="open = !open">
         {{ $trigger }}
     </div>
 
-    <div id="{{ $panelId }}" x-show="open" x-cloak
-        class="listbox-panel floating-dropdown-panel z-[9999]! {{ $panelClass }}" style="position: fixed; visibility: hidden"
-        :style="{ visibility: positioned ? 'visible' : 'hidden' }"
-        x-effect="if (open) schedulePosition($el)" role="{{ $role }}"
+    <div x-show="open" x-cloak
+        class="listbox-panel absolute top-full! right-0! left-auto! mt-1! {{ $panelClass }}" role="{{ $role }}"
         @if ($multiselectable) aria-multiselectable="true" @endif>
         {{ $slot }}
     </div>