feat(ui): unify resource headings with responsive action menus

Add responsive overflow handling and dedicated action menus for application,
service, database, and server headings, while improving upgrade and email
settings flows and returning 404s for missing deployment environments.

tests/Feature/DeploymentShowMissingEnvironmentTest.php

@@ -0,0 +1,79 @@
+<?php
+
+use App\Models\Application;
+use App\Models\Environment;
+use App\Models\InstanceSettings;
+use App\Models\Project;
+use App\Models\Server;
+use App\Models\StandaloneDocker;
+use App\Models\Team;
+use App\Models\User;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+
+uses(RefreshDatabase::class);
+
+beforeEach(function () {
+    config([
+        'app.maintenance.driver' => 'file',
+        'cache.default' => 'array',
+    ]);
+
+    $this->user = User::factory()->create();
+    $this->team = Team::factory()->create();
+    $this->team->members()->attach($this->user->id, ['role' => 'owner']);
+
+    InstanceSettings::unguarded(function () {
+        InstanceSettings::query()->create([
+            'id' => 0,
+            'is_registration_enabled' => true,
+        ]);
+    });
+
+    $this->actingAs($this->user);
+    session(['currentTeam' => $this->team]);
+
+    $this->server = Server::factory()->create(['team_id' => $this->team->id]);
+    $this->destination = StandaloneDocker::query()->where('server_id', $this->server->id)->firstOrFail();
+    $this->project = Project::factory()->create(['team_id' => $this->team->id]);
+    $this->environment = Environment::factory()->create(['project_id' => $this->project->id]);
+    $this->application = Application::factory()->create([
+        'environment_id' => $this->environment->id,
+        'destination_id' => $this->destination->id,
+        'destination_type' => $this->destination->getMorphClass(),
+        'status' => 'running',
+    ]);
+});
+
+it('returns 404 when the deployment environment does not exist', function () {
+    $this->get(route('project.application.deployment.show', [
+        'project_uuid' => $this->project->uuid,
+        'environment_uuid' => 'fbmlga1tumj9ndoy16lal93d',
+        'application_uuid' => $this->application->uuid,
+        'deployment_uuid' => 'qn5yfvo8clppyt44b75k7dav',
+    ]))->assertNotFound();
+});
+
+it('returns 404 when the deployment index environment does not exist', function () {
+    $this->get(route('project.application.deployment.index', [
+        'project_uuid' => $this->project->uuid,
+        'environment_uuid' => 'fbmlga1tumj9ndoy16lal93d',
+        'application_uuid' => $this->application->uuid,
+    ]))->assertNotFound();
+});
+
+it('returns 404 when the database backup index environment does not exist', function () {
+    $this->get(route('project.database.backup.index', [
+        'project_uuid' => $this->project->uuid,
+        'environment_uuid' => 'fbmlga1tumj9ndoy16lal93d',
+        'database_uuid' => 'missing-database',
+    ]))->assertNotFound();
+});
+
+it('returns 404 when the database backup execution environment does not exist', function () {
+    $this->get(route('project.database.backup.execution', [
+        'project_uuid' => $this->project->uuid,
+        'environment_uuid' => 'fbmlga1tumj9ndoy16lal93d',
+        'database_uuid' => 'missing-database',
+        'backup_uuid' => 'missing-backup',
+    ]))->assertNotFound();
+});