Fix invalid route in view of closed request

Resolves #20

src/resources/views/show.blade.php

@@ -131,7 +131,7 @@
                     @endif
                     @if (!$request->response_label || !$responseLabelExists)
                         <p>
-                            <a href="{{route('show-annotation', $request->annotation_id)}}" class="btn btn-default btn-block" title="View the annotation in the annotation tool">View in annotation tool</a>
+                            <a href="{{route('show-image-annotation', $request->annotation_id)}}" class="btn btn-default btn-block" title="View the annotation in the annotation tool">View in annotation tool</a>
                         </p>
                     @endif
                 </div>

tests/Http/Controllers/Views/AnnotationAssistanceRequestControllerTest.php

@@ -5,6 +5,7 @@
 use ApiTestCase;
 use Biigle\Tests\ImageAnnotationTest;
 use Biigle\Tests\ImageTest;
+use Biigle\Tests\LabelTest;
 use Biigle\Tests\Modules\Ananas\AnnotationAssistanceRequestTest as AnanasTest;
 
 class AnnotationAssistanceRequestControllerTest extends ApiTestCase
@@ -69,6 +70,24 @@ public function testShow()
         $this->get("annotation-assistance-requests/{$request->id}")
             ->assertStatus(200)
             ->assertViewIs('ananas::show');
+
+        $request->closed_at = '2021-12-01';
+        $request->save();
+
+        $this->get("annotation-assistance-requests/{$request->id}")
+            ->assertStatus(200);
+    }
+
+    public function testShowClosed()
+    {
+        $request = AnanasTest::create([
+            'closed_at' => '2021-12-01',
+        ]);
+
+        $this->be($request->user);
+        $this->get("annotation-assistance-requests/{$request->id}")
+            ->assertStatus(200)
+            ->assertViewIs('ananas::show');
     }
 
     public function testIndex()