changed the icon for the collapsed backlog list

[ci skip]

app/assets/javascripts/boards/boards_bundle.js

@@ -88,6 +88,8 @@ $(() => {
             if (list.type === 'closed') {
               list.position = Infinity;
               list.label = { description: 'Shows all closed issues. Moving an issue to this list closes it' };
+            } else if (list.type === 'backlog') {
+              list.position = -1;
             }
           });
 

app/assets/javascripts/boards/components/board.js

@@ -87,8 +87,11 @@ gl.issueBoards.Board = Vue.extend({
     toggleExpanded(e) {
       if (this.list.isExpandable && !e.target.classList.contains('js-no-trigger-collapse')) {
         this.list.isExpanded = !this.list.isExpanded;
+
+        if (AccessorUtilities.isLocalStorageAccessSafe()) {
           localStorage.setItem(`boards.${this.boardId}.${this.list.type}.expanded`, this.list.isExpanded);
         }
+      }
     },
   },
   mounted () {

app/assets/stylesheets/pages/boards.scss

@@ -104,7 +104,7 @@
   }
 
   &.is-collapsed {
-    width: 60px;
+    width: 50px;
 
     .board-header {
       position: absolute;

app/views/projects/boards/components/_board.html.haml

@@ -4,7 +4,7 @@
     %header.board-header{ ":class" => '{ "has-border": list.label && list.label.color }', ":style" => "{ borderTopColor: (list.label && list.label.color ? list.label.color : null) }", "@click" => "toggleExpanded($event)" }
       %h3.board-title.js-board-handle{ ":class" => '{ "user-can-drag": (!disabled && !list.preset) }' }
         %i.fa.fa-fw.board-title-expandable-toggle{ "v-if": "list.isExpandable",
-          ":class": "{ \"fa-caret-down\": list.isExpanded, \"fa-caret-left\": !list.isExpanded }",
+          ":class": "{ \"fa-caret-down\": list.isExpanded, \"fa-caret-right\": !list.isExpanded && list.position === -1, \"fa-caret-left\": !list.isExpanded && list.position !== -1 }",
           "aria-hidden": "true" }
         %span.has-tooltip{ ":title" => '(list.label ? list.label.description : "")',
           data: { container: "body", placement: "bottom" } }