Fix direction select disabled

app/views/projects/mirrors/_mirror_repos.html.haml

@@ -31,7 +31,7 @@
 
           .form-group
             = label_tag :mirror_direction, _('Mirror direction'), class: 'label-light'
-            = select_tag :mirror_direction, options_for_select(options), class: 'form-control js-mirror-direction', disabled: "#{'disabled' if options.count == 1}"
+            = select_tag :mirror_direction, options_for_select(options), class: 'form-control js-mirror-direction', count: options.count, disabled: options.count == 1
 
           = render 'projects/mirrors/mirror_repos_form', can_push: can_push, can_pull: can_pull, f: f
 

app/views/projects/mirrors/_mirror_repos_form.html.haml

@@ -7,7 +7,7 @@
 
 .form-group
   = label_tag :auth_method, _('Authentication method'), class: 'label-bold'
-  = select_tag :auth_method, options_for_select([[_('Password'), 'password']], 'password'), { class: "form-control js-auth-method", disabled: 'disabled' }
+  = select_tag :auth_method, options_for_select([[_('Password'), 'password']], 'password'), { class: "form-control js-auth-method", disabled: true }
 
 .form-group
   = label_tag :password, _('Password'), class: 'label-bold'

ee/app/views/projects/mirrors/_mirror_repos_form.html.haml

@@ -13,7 +13,7 @@
 
     .form-group
       = label_tag :auth_method, _('Authentication method'), class: 'label-bold'
-      = select_tag :auth_method, options_for_select([[_('Password'), 'password']], 'password'), { class: "form-control js-auth-method", disabled: 'disabled' }
+      = select_tag :auth_method, options_for_select([[_('Password'), 'password']], 'password'), { class: "form-control js-auth-method", disabled: true }
 
     .form-group
       = label_tag :password, _('Password'), class: 'label-bold'