Arrange Admin::BudgetInvestments I18n for buttons under same namespace

app/views/admin/budget_investments/_advanced_filters.html.erb

@@ -38,7 +38,7 @@
     </div>
 
     <div class="small-12 medium-4 large-2 column">
-      <%= submit_tag t("#{i18n_namespace}.filters.button"), class: "button expanded" %>
+      <%= submit_tag t("admin.budget_investments.index.buttons.filter"), class: "button expanded" %>
     </div>
   <% end %>
 </div>

app/views/admin/budget_investments/_search_form.html.erb

@@ -3,9 +3,9 @@
                                        method: :get,
                                        remote: true) do |f| %>
     <div class="input-group">
-      <%= text_field_tag :project_title, "", placeholder: t("#{i18n_namespace}.placeholder") %>
+      <%= text_field_tag :project_title, "", placeholder: t("admin.budget_investments.index.placeholder") %>
       <div class="input-group-button">
-        <%= f.submit t("#{i18n_namespace}.buttons.search"), class: "button" %>
+        <%= f.submit t("admin.budget_investments.index.buttons.search"), class: "button" %>
       </div>
     </div>
   <% end %>

app/views/admin/budget_investments/index.html.erb

@@ -1,6 +1,6 @@
 <h2 class="inline-block"><%= @budget.name %> - <%= t("admin.budget_investments.index.title") %></h2>
 
-<%= render 'search_form', i18n_namespace: "admin.budget_investments.index" %>
+<%= render "search_form" %>
 
 <%= form_tag(admin_budget_budget_investments_path(budget: @budget), method: :get, enforce_utf8: false) do %>
   <div class="small-12 medium-3 column">

config/locales/en/admin.yml

@@ -151,11 +151,11 @@ en:
           unfeasible: Unfeasible
           max_per_heading: Max. supports per heading
           winners: Winners
-          button: Filter
           one_filter_html: "Current applied filter: <b><em>%{filter}</em></b>"
           two_filters_html: "Current applied filters: <b><em>%{filter}, %{second_filter}</em></b>"
         buttons:
           search: Search
+          filter: Filter
         download_current_selection: "Download current selection"
         no_budget_investments: "There are no investment projects."
         title: Investment projects

config/locales/es/admin.yml

@@ -151,11 +151,11 @@ es:
           unfeasible: Inviables
           max_per_heading: Corte por partida
           winners: Ganadores
-          button: Filtrar
           one_filter_html: "Filtro en uso: <b><em>%{filter}</em></b>"
           two_filters_html: "Filtros en uso: <b><em>%{filter}, %{second_filter}</em></b>"
         buttons:
           search: Buscar
+          filter: Filtrar
         download_current_selection: "Descargar selección actual"
         no_budget_investments: "No hay proyectos de gasto."
         title: Proyectos de gasto