Fix touchevents in StoriesViewer

Disable load animation for stories list to prevent blinking

app/Widgets/Stories/stories.css

@@ -12,6 +12,7 @@
     grid-column: auto;
     order: 0;
     margin-bottom: 0.25rem;
+    animation: none;
 }
 
 #stories ul.list.flex li.block.add {

app/Widgets/StoriesViewer/storiesviewer.js

@@ -17,10 +17,10 @@ var StoriesViewer = {
         clearTimeout(StoriesViewer.timer);
 
         let image = StoriesViewer.story.querySelector('img');
-        image.addEventListener('mousedown', e => StoriesViewer.pause());
-        image.addEventListener('touchstart', e => StoriesViewer.pause());
-        image.addEventListener('mouseup', e => StoriesViewer.resume());
-        image.addEventListener('touchend', e => StoriesViewer.resume());
+        image.addEventListener('mousedown', e => { e.preventDefault(); StoriesViewer.pause()});
+        image.addEventListener('touchstart', e => { e.preventDefault(); StoriesViewer.pause()});
+        image.addEventListener('mouseup', e => { e.preventDefault(), StoriesViewer.resume()});
+        image.addEventListener('touchend', e => { e.preventDefault(), StoriesViewer.resume()});
 
 
         let next = StoriesViewer.story.querySelector('div.next');