On escape, hide WYSIWYG toolbar

src/app/components/nodes/norm/norm.component.html

@@ -1,6 +1,5 @@
 <div class="container"
-     (focusin)="onFocusIn($event)"
-     (focusout)="onFocusIn($event)">
+     (focusin)="onFocusIn($event)">
     <div class="toolbar-base" *ngIf="isFocused">
         <button class="toolbar-button" title="Bold" (click)="documentCommand('bold')">
             <i class="icon fa fa-bold"></i>

src/app/components/nodes/norm/norm.component.ts

@@ -53,7 +53,8 @@ export class NormComponent extends EditorNodeContract implements OnInit {
         this.isFocused = true;
     }
 
-    onFocusOut(event: MouseEvent) {
+    @HostListener('document:keyup.escape', ['$event'])
+    onFocusOut(event) {
         this.isFocused = false;
     }