add special class in cases where sidebar toggle should exist in the margin

app/assets/stylesheets/pages/wiki.scss

@@ -46,7 +46,9 @@
   }
 
   @media (min-width: $screen-sm-min) {
-    padding-right: 40px;
+    &.has-sidebar-toggle {
+      padding-right: 40px;
+    }
 
     .git-clone-holder {
       width: 480px;
@@ -60,7 +62,9 @@
   }
 
   @media (min-width: $screen-md-min) {
-    padding-right: 0;
+    &.has-sidebar-toggle {
+      padding-right: 0;
+    }
 
     button.sidebar-toggle {
       display: none;

app/views/projects/wikis/edit.html.haml

@@ -2,7 +2,7 @@
 - page_title "Edit", @page.title.capitalize, "Wiki"
 
 %div{ class: container_class }
-  .wiki-page-header
+  .wiki-page-header.has-sidebar-toggle
     %button.btn.btn-default.sidebar-toggle.js-sidebar-wiki-toggle{ role: "button", type: "button" }
       = icon('angle-double-left')
 

app/views/projects/wikis/git_access.html.haml

@@ -2,7 +2,7 @@
 - page_title "Git Access", "Wiki"
 
 %div{ class: container_class }
-  .wiki-page-header
+  .wiki-page-header.has-sidebar-toggle
     %button.btn.btn-default.visible-xs.visible-sm.pull-right.sidebar-toggle.js-sidebar-wiki-toggle{ role: "button", type: "button" }
       = icon('angle-double-left')
 

app/views/projects/wikis/history.html.haml

 - page_title "History", @page.title.capitalize, "Wiki"
 
 %div{ class: container_class }
-  .wiki-page-header
+  .wiki-page-header.has-sidebar-toggle
     %button.btn.btn-default.sidebar-toggle.js-sidebar-wiki-toggle{ role: "button", type: "button" }
       = icon('angle-double-left')
 

app/views/projects/wikis/show.html.haml

@@ -2,7 +2,7 @@
 - page_title @page.title.capitalize, "Wiki"
 
 %div{ class: container_class }
-  .wiki-page-header
+  .wiki-page-header.has-sidebar-toggle
     %button.btn.btn-default.sidebar-toggle.js-sidebar-wiki-toggle{ role: "button", type: "button" }
       = icon('angle-double-left')