fix: don't drag images

Author: peterpeterparker

src/components/slides/deckdeckgo-slide.tsx

@@ -89,6 +89,9 @@ export class DeckDeckGoSlideUtils {
           image.setAttribute('src', image.getAttribute('data-src'));
           image.removeAttribute('data-src');
         }
+
+        // Furthermore to lazy loading, we set pointer-events to none. Doing so we prevent images of being dragged.
+        image.style.setProperty('pointer-events', 'none');
       });
 
       resolve();

src/components/slides/deckdeckgo-slides.scss

@@ -19,6 +19,8 @@ div.deckgo-slide {
   -moz-user-select: none; /* Firefox */
   -ms-user-select: none; /* Internet Explorer/Edge */
   user-select: none;
+  user-drag: none;
+  -webkit-user-drag: none;
 }
 
 ::slotted(ul), ::slotted(ol) {