Fixes #voodoorai2000 comments

Fixes some comments from #voodoorai2000 for the PR to consul

app/controllers/dashboard/base_controller.rb

@@ -1,6 +1,8 @@
 class Dashboard::BaseController < ApplicationController
   before_action :authenticate_user!
 
+  include Dashboard::HasProposal
+
   helper_method :proposal, :proposed_actions, :resource, :resources, :next_goal, :next_goal_supports, :next_goal_progress, :community_members_count
 
   respond_to :html
@@ -8,10 +10,6 @@ class Dashboard::BaseController < ApplicationController
 
   private
 
-  def proposal
-    @proposal ||= Proposal.includes(:community).find(params[:proposal_id])
-  end
-
   def proposed_actions
     @proposed_actions ||= Dashboard::Action.proposed_actions.active_for(proposal).order(order: :asc)
   end