Merge branch 'sidebar-breakpoint' into 'master'

Updated breakpoint for sidebar pinning

## What does this MR do?

Updates the breakpoint for sidebar pinning to 1024px.

Think we will have the same issue as before when picking into stable with `$window` not being defined.

See merge request !5019

app/assets/javascripts/application.js.coffee

@@ -269,7 +269,7 @@ $ ->
   new Aside()
 
   # Sidenav pinning
-  if $window.width() < 1280 and $.cookie('pin_nav') is 'true'
+  if $window.width() < 1024 and $.cookie('pin_nav') is 'true'
     $.cookie('pin_nav', 'false', { path: '/', expires: 365 * 10 })
     $('.page-with-sidebar')
       .toggleClass('page-sidebar-collapsed page-sidebar-expanded')

app/assets/stylesheets/framework/variables.scss

@@ -7,7 +7,7 @@ $gutter_collapsed_width: 62px;
 $gutter_width: 290px;
 $gutter_inner_width: 258px;
 $sidebar-transition-duration: .15s;
-$sidebar-breakpoint: 1280px;
+$sidebar-breakpoint: 1024px;
 
 /*
  * UI elements