[skip ci] prepare for rebase

app/views/shared/issuable/_sidebar.html.haml

@@ -40,7 +40,7 @@
               = icon('user', 'aria-hidden': 'true')
           .title.hide-collapsed
             Assignee
-            = icon('spinner spin', class: 'block-loading', 'aria-hidden': 'true')
+            = icon('spinner spin', class: 'hidden block-loading', 'aria-hidden': 'true')
             - if can_edit_issuable
               = link_to 'Edit', '#', class: 'edit-link pull-right'
           .value.hide-collapsed
@@ -105,7 +105,7 @@
               = issuable.due_date.try(:to_s, :medium) || 'None'
           .title.hide-collapsed
             Due date
-            = icon('spinner spin', class: 'block-loading', 'aria-hidden': 'true')
+            = icon('spinner spin', class: 'hidden block-loading', 'aria-hidden': 'true')
             - if can?(current_user, :"admin_#{issuable.to_ability_name}", @project)
               = link_to 'Edit', '#', class: 'edit-link pull-right'
           .value.hide-collapsed
@@ -135,12 +135,12 @@
         - selected_labels = issuable.labels
         .block.labels
           .sidebar-collapsed-icon.js-sidebar-labels-tooltip{ title: issuable_labels_tooltip(issuable.labels_array), data: { placement: "left", container: "body" } }
-            = icon('tags', 'aria-hidden': 'true')
+            = icon('tags', class: 'hidden', 'aria-hidden': 'true')
             %span
               = selected_labels.size
           .title.hide-collapsed
             Labels
-            = icon('spinner spin', class: 'block-loading', 'aria-hidden': 'true')
+            = icon('spinner spin', class: 'hidden block-loading', 'aria-hidden': 'true')
             - if can_edit_issuable
               = link_to 'Edit', '#', class: 'edit-link pull-right'
           .value.issuable-show-labels.hide-collapsed{ class: ("has-labels" if selected_labels.any?) }