Move management investments search partial to a component

We're also moving it to the `management` subfolder, since it's only used
in the budget investments management.

app/components/management/budgets/investments/search_component.html.erb

@@ -5,7 +5,7 @@
     </div>
     <div class="small-12 medium-6 column">
       <%= select_tag :heading_id,
-                     options_for_select(budget_heading_select_options(@budget),
+                     options_for_select(budget_heading_select_options(budget),
                                         params[:heading_id]),
                      include_blank: true %>
     </div>

app/components/management/budgets/investments/search_component.rb

@@ -0,0 +1,9 @@
+class Management::Budgets::Investments::SearchComponent < ApplicationComponent
+  attr_reader :budget, :url
+  use_helpers :budget_heading_select_options
+
+  def initialize(budget, url:)
+    @budget = budget
+    @url = url
+  end
+end

app/views/management/budgets/investments/index.html.erb

@@ -1,5 +1,5 @@
 <span class="not-print">
-  <%= render "admin/shared/budget_investment_search", url: management_budget_investments_path(@budget) %>
+  <%= render Management::Budgets::Investments::SearchComponent.new(@budget, url: management_budget_investments_path(@budget)) %>
 </span>
 
 <div class="wrap row">

app/views/management/budgets/investments/print.html.erb

@@ -1,5 +1,5 @@
 <span class="not-print">
-  <%= render "admin/shared/budget_investment_search", url: print_management_budget_investments_path(@budget) %>
+  <%= render Management::Budgets::Investments::SearchComponent.new(@budget, url: print_management_budget_investments_path(@budget)) %>
 </span>
 
 <div class="wrap row">