Make budget headings translatable

app/controllers/admin/budget_headings_controller.rb

@@ -1,4 +1,5 @@
 class Admin::BudgetHeadingsController < Admin::BaseController
+  include Translatable
   include FeatureFlags
   feature_flag :budgets
 
@@ -62,8 +63,8 @@ class Admin::BudgetHeadingsController < Admin::BaseController
     end
 
     def budget_heading_params
-      params.require(:budget_heading).permit(:name, :price, :population, :allow_custom_content,
-                                             :latitude, :longitude)
+      valid_attributes = [:price, :population, :allow_custom_content, :latitude, :longitude]
+      params.require(:budget_heading).permit(*valid_attributes, translation_params(Budget::Heading))
     end
 
 end

app/controllers/valuation/budget_investments_controller.rb

@@ -75,8 +75,8 @@ class Valuation::BudgetInvestmentsController < Valuation::BaseController
     def heading_filters
       investments = @budget.investments.by_valuator(current_user.valuator.try(:id))
                                        .visible_to_valuators.distinct
-
-      investment_headings = Budget::Heading.where(id: investments.pluck(:heading_id).uniq)
+      investment_headings = Budget::Heading.joins(:translations)
+                                           .where(id: investments.pluck(:heading_id).uniq)
                                            .order(name: :asc)
 
       all_headings_filter = [