Add budget stats permissions for normal users and admins

app/models/abilities/administrator.rb

@@ -66,6 +66,7 @@ module Abilities
       can [:hide, :update, :toggle_selection], Budget::Investment
       can [:valuate, :comment_valuation], Budget::Investment
       can :create, Budget::ValuatorAssignment
+      can :read_stats, Budget, phase: "reviewing_ballots"
 
       can [:search, :edit, :update, :create, :index, :destroy], Banner
 

app/models/abilities/everyone.rb

@@ -21,7 +21,7 @@ module Abilities
       can [:read], Budget::Group
       can [:read, :print, :json_data], Budget::Investment
       can [:read_results, :read_executions], Budget, phase: "finished"
-      can :read_stats, Budget, phase: ["reviewing_ballots", "finished"]
+      can :read_stats, Budget, phase: "finished"
       can :new, DirectMessage
       can [:read, :debate, :draft_publication, :allegations, :result_publication,
            :proposals, :milestones], Legislation::Process, published: true