Refactor project_permissions_panel_data so it can be extended in EE easily

Signed-off-by: NDmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/helpers/projects_helper.rb

@@ -447,7 +447,7 @@ module ProjectsHelper
   end
 
   def project_permissions_panel_data(project)
-    data = {
+    {
       currentSettings: project_permissions_settings(project),
       canChangeVisibilityLevel: can_change_visibility_level?(project, current_user),
       allowedVisibilityOptions: project_allowed_visibility_levels(project),
@@ -457,8 +457,10 @@ module ProjectsHelper
       lfsAvailable: Gitlab.config.lfs.enabled,
       lfsHelpPath: help_page_path('workflow/lfs/manage_large_binaries_with_git_lfs')
     }
+  end
 
-    data.to_json.html_safe
+  def project_permissions_panel_data_json(project)
+    project_permissions_panel_data(project).to_json.html_safe
   end
 
   def project_allowed_visibility_levels(project)

app/views/projects/edit.html.haml

@@ -78,7 +78,7 @@
       = form_for [@project.namespace.becomes(Namespace), @project], remote: true, html: { multipart: true, class: "sharing-permissions-form" }, authenticity_token: true do |f|
         %input{ name: 'update_section', type: 'hidden', value: 'js-shared-permissions' }
         -# haml-lint:disable InlineJavaScript
-        %script.js-project-permissions-form-data{ type: "application/json" }= project_permissions_panel_data(@project)
+        %script.js-project-permissions-form-data{ type: "application/json" }= project_permissions_panel_data_json(@project)
         .js-project-permissions-form
         = f.submit 'Save changes', class: "btn btn-save"