fix(sentinel): refresh server nav after toggles

Dispatch server show refreshes after Sentinel and metrics toggles, preserve editable Sentinel form fields during restart events, and gate custom image editing by update permission.

resources/views/components/server/sidebar-sentinel.blade.php

@@ -3,7 +3,7 @@
         href="{{ route('server.sentinel', $parameters) }}">
         <span class="menu-item-label">Configuration</span>
     </a>
-    <a class="{{ request()->routeIs('server.sentinel.logs') ? 'sub-menu-item menu-item-active' : 'sub-menu-item' }}"
+    <a class="{{ request()->routeIs('server.sentinel.logs') ? 'sub-menu-item menu-item-active' : 'sub-menu-item' }}" {{ wireNavigate() }}
         href="{{ route('server.sentinel.logs', $parameters) }}">
         <span class="menu-item-label">Logs</span>
     </a>

resources/views/livewire/server/sentinel.blade.php

@@ -35,7 +35,8 @@
                         $wire.set('sentinelCustomDockerImage', this.customImage);
                     }
                 }" x-init="$wire.set('sentinelCustomDockerImage', customImage)">
-                    <x-forms.input x-model="customImage" @input.debounce.500ms="saveCustomImage()"
+                    <x-forms.input canGate="update" :canResource="$server" x-model="customImage"
+                        @input.debounce.500ms="saveCustomImage()"
                         placeholder="e.g., sentinel:latest or myregistry/sentinel:dev"
                         label="Custom Sentinel Docker Image (Dev Only)"
                         helper="Override the default Sentinel Docker image for testing. Leave empty to use the default." />