[fix] Tentative fix of build issue

libview/src/application.ts

@@ -319,7 +319,7 @@ export interface RenderingResult {
   /**
    * The DOM elements representing the rendering
    */
-  dom: HTMLElement | null;
+  dom: Element | null;
   /**
    * The identifier of the selected view
    */

libview/src/view-impl.ts

@@ -46,7 +46,7 @@ export interface ViewRendering {
   /**
    * The DOM elements representing the rendering
    */
-  dom: HTMLElement;
+  dom: Element;
   /**
    * The URI of resources that could be of interest to the view that produced this rendering
    */