refactored Markdown components to reduce bundle size

static/js/directives/ui/markdown/markdown-input.component.ts

@@ -14,7 +14,9 @@ export class MarkdownInputComponent {
   @Input('<') public content: string;
   @Input('<') public canWrite: boolean;
   @Input('@') public fieldTitle: string;
+
   @Output() public contentChanged: EventEmitter<{content: string}> = new EventEmitter();
+
   private isEditing: boolean = false;
 
   public editContent(): void {