Use Date.current and Time.current

Using Date.today and Time.now might lead to inconsistencies if the time
zone the application uses is not the same as the system time zone.

app/controllers/dashboard/actions_controller.rb

@@ -12,7 +12,7 @@ class Dashboard::ActionsController < Dashboard::BaseController
     source_params = {
       proposal: proposal,
       action: dashboard_action,
-      executed_at: Time.now
+      executed_at: Time.current
     }
 
     @dashboard_executed_action = Dashboard::ExecutedAction.new(source_params)
@@ -31,7 +31,7 @@ class Dashboard::ActionsController < Dashboard::BaseController
     authorize! :dashboard, proposal
 
     Dashboard::ExecutedAction.create(proposal: proposal, action: dashboard_action,
-                                                         executed_at: Time.now)
+                                                         executed_at: Time.current)
     redirect_to request.referer
   end