Merge pull request #5643 from NadavTasher/feature/optional-vertical-scrollbars

Allow vertical scrollbars to be disabled (new preference)

client/components/cards/cardDetails.jade

@@ -5,7 +5,7 @@ template(name="cardDetails")
 
   +attachmentViewer
 
-  section.card-details.js-card-details.nodragscroll(class='{{#if cardMaximized}}card-details-maximized{{/if}}' class='{{#if isPopup}}card-details-popup{{/if}}'): .card-details-canvas
+  section.card-details.js-card-details.nodragscroll(class='{{#if cardMaximized}}card-details-maximized{{/if}}' class='{{#if isPopup}}card-details-popup{{/if}}' class='{{#unless isVerticalScrollbars}}no-scrollbars{{/unless}}'): .card-details-canvas
     .card-details-header(class='{{#if colorClass}}card-details-{{colorClass}}{{/if}}')
       +inlinedForm(classNames="js-card-details-title")
         +editCardTitleForm

client/components/cards/cardDetails.js

@@ -114,6 +114,11 @@ BlazeComponent.extendComponent({
     );
   },
 
+  isVerticalScrollbars() {
+    const user = ReactiveCache.getCurrentUser();
+    return user && user.isVerticalScrollbars();
+  },
+
   /** returns if the list id is the current list id
    * @param listId list id to check
    * @return is the list id the current list id ?