119799: Prevent the lookup/lookup-name fields from resetting when hitting the enter key in another input field

(cherry picked from commit c8694e1)

Author: alexandrevryghem

src/app/shared/form/builder/ds-dynamic-form-ui/models/lookup/dynamic-lookup.component.html

@@ -94,11 +94,11 @@
          (scrolled)="onScroll()"
          [scrollWindow]="false">
 
-      <button class="dropdown-item disabled"
+      <button class="dropdown-item disabled" type="button"
               *ngIf="optionsList && optionsList.length == 0"
               (click)="$event.stopPropagation(); clearFields(); sdRef.close();">{{'form.no-results' | translate}}
       </button>
-      <button class="dropdown-item lookup-item"
+      <button class="dropdown-item lookup-item" type="button"
               *ngFor="let listEntry of optionsList"
               (click)="$event.stopPropagation(); onSelect(listEntry); sdRef.close();"
               title="{{ listEntry.display }}">