feat: tidy up routing

app/views/organisation_relationships/housing_providers.html.erb

@@ -12,9 +12,9 @@
   <p class="govuk-body">This organisation does not currently have any housing providers.</p>
 <% end %>
 <% if current_user.support? %>
-  <%= govuk_button_link_to "Add a housing provider", add_housing_provider_organisation_path(organisation_id: @organisation.id), html: { method: :get } %>
+  <%= govuk_button_link_to "Add a housing provider", housing_providers_add_organisation_path(organisation_id: @organisation.id), html: { method: :get } %>
   <% elsif current_user.data_coordinator? %>
-  <%= govuk_button_link_to "Add a housing provider", add_housing_provider_organisation_path, html: { method: :get } %>
+  <%= govuk_button_link_to "Add a housing provider", housing_providers_add_organisation_path, html: { method: :get } %>
 <% end %>
 <% if @total_count != 0 %>
   <%= render SearchComponent.new(current_user:, search_label: "Search for a housing provider", value: @searched) %>

config/routes.rb

@@ -80,7 +80,7 @@ Rails.application.routes.draw do
       get "logs/csv-confirmation", to: "lettings_logs#csv_confirmation"
       get "schemes", to: "organisations#schemes"
       get "housing-providers", to: "organisation_relationships#housing_providers"
-      get "add-housing-provider", to: "organisation_relationships#add_housing_provider"
+      get "housing-providers/add", to: "organisation_relationships#add_housing_provider"
     end
   end