Sort starred projects on dashboard based on last activity by default

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

CHANGELOG

@@ -11,6 +11,7 @@ v 8.6.0 (unreleased)
   - Update documentation to reflect Guest role not being enforced on internal projects
   - Allow search for logged out users
   - Don't show Issues/MRs from archived projects in Groups view
+  - Sort starred projects on dashboard based on last activity by default
 
 v 8.5.2
   - Fix sidebar overlapping content when screen width was below 1200px

app/controllers/dashboard/projects_controller.rb

@@ -31,7 +31,7 @@ class Dashboard::ProjectsController < Dashboard::ApplicationController
   end
 
   def starred
-    @projects = current_user.starred_projects
+    @projects = current_user.starred_projects.sorted_by_activity
     @projects = @projects.includes(:namespace, :forked_from_project, :tags)
     @projects = @projects.sort(@sort = params[:sort])