feat(github): add GitHub App connection testing

resources/views/livewire/source/github/change.blade.php

@@ -2,11 +2,18 @@
     @if (data_get($github_app, 'app_id'))
         <form wire:submit='submit'>
             <div class="flex flex-col sm:flex-row sm:items-center gap-2">
-                <h1>GitHub App</h1>
+                <div class="flex items-center gap-2">
+                    <h1>GitHub App</h1>
+                    @if ($isConnected)
+                        <x-status-badge status="Connected" type="success" />
+                    @endif
+                </div>
                 <div class="flex gap-2">
                     @if (data_get($github_app, 'installation_id'))
                         <x-forms.button canGate="update" :canResource="$github_app" type="submit"
                             :disabled="$activeTab !== 'general'">Save</x-forms.button>
+                        <x-forms.button canGate="view" :canResource="$github_app"
+                            wire:click.prevent="testConnection">Test Connection</x-forms.button>
                     @endif
                     @can('delete', $github_app)
                         @if ($applications->count() > 0)

resources/views/source/all.blade.php

@@ -25,12 +25,10 @@
                             <x-git-icon class="inline-block w-4 h-4 mr-1" git="App\Models\GithubApp" />
                             {{ $source->name }}
                         </div>
-                        @if (is_null($source->app_id))
-                            <span class="box-description text-warning">Setup required</span>
+                        @if ($source->isConnected())
+                            <span class="box-description text-success">Connected</span>
                         @else
-                            @if ($source->organization)
-                                <span class="box-description">Organization: {{ $source->organization }}</span>
-                            @endif
+                            <span class="box-description text-warning">Setup required</span>
                         @endif
                     </div>
                 </a>