fix: handle edge case noticed by @vbelolapotkov

webapp/app/router.scrollBehavior.js

@@ -1,7 +1,10 @@
 export default function(to, from, savedPosition) {
-  let position = { x: 0, y: 0 }
-  if (savedPosition) {
-    position = savedPosition
-  }
-  return position
+  if (savedPosition) return savedPosition
+
+  // Edge case: If you click on a notification from a comment and then on the
+  // post page you click on 'comments', we avoid a "jumping" scroll behavior,
+  // ie. jump to the top and scroll back from there
+  if (to.path === from.path && to.hash !== from.hash) return false
+
+  return { x: 0, y: 0 }
 }