fix(spec): hide block of code if the jsonData is empty

Author: loktionov129

src/app/features/spec/components/spec-code/spec-code.component.html

@@ -1 +1 @@
-<pre class="spec-code">{{jsonData | json}}</pre>
+<pre class="spec-code" *ngIf="hasData">{{jsonData | json}}</pre>

src/app/features/spec/components/spec-code/spec-code.component.ts

@@ -9,4 +9,8 @@ import { ChangeDetectionStrategy, Component, Input, ViewEncapsulation } from '@a
 })
 export class SpecCodeComponent {
   @Input() jsonData: object;
+
+  get hasData(): boolean {
+    return Object.keys(this.jsonData || {}).length > 0;
+  }
 }