make sure that the dynamically populated text boxes (with content from NHS) correctly opens links in external windows.

frontend/src/app/components/glossary-lookup/glossary-lookup.component.html

@@ -1,5 +1,5 @@
 <div *ngIf="!loading else isLoadingTemplate">
-  <div [innerHTML]="description"></div>
+  <div [innerHTML]="description" externalLink></div>
   <p>Source: <a [href]="url" externalLink>{{source}}</a></p>
 </div>
 

frontend/src/app/directives/external-link.directive.ts

@@ -37,10 +37,9 @@ export class ExternalLinkDirective {
   onClick(event: MouseEvent) {
     event.preventDefault();
 
-    let url: string = (<any>event.currentTarget).getAttribute("href");
+    let url: string = (<any>event.currentTarget).getAttribute("href") || (<any>event.target).getAttribute("href");
 
     //check if wails exists and is defined
-
     if(typeof wails !== "undefined" && environment.environment_desktop){
       wails.CallByName("pkg.AppService.BrowserOpenURL", url)
     } else{