Fix steps ordering in reports [SCI-1008]

app/models/protocol.rb

@@ -372,7 +372,7 @@ class Protocol < ActiveRecord::Base
   end
 
   def completed_steps
-    steps.select(&:completed)
+    steps.where(completed: true)
   end
 
   def space_taken

config/initializers/extends/report_extends.rb

@@ -52,7 +52,7 @@ module ReportExtends
                       true,
                       [:step],
                       proc do |my_module|
-                        my_module.protocol.completed_steps
+                        my_module.protocol.completed_steps.order(:position)
                       end),
     ModuleElement.new(:result_assets,
                       true,