Update more fixed paths

app/helpers/filters_helper.rb

@@ -132,7 +132,7 @@ module FiltersHelper
   end
 
   def user_lettings_path?
-    request.path == "/lettings-logs"
+    request.path == lettings_logs_path
   end
 
   def user_or_org_lettings_path?

app/views/organisations/index.html.erb

@@ -3,7 +3,7 @@
 
 <% content_for :title, title %>
 
-<%= render partial: "organisations/headings", locals: request.path == "/organisations" ? { main: "Organisations", sub: nil } : { main: @organisation.name, sub: "Organisations" } %>
+<%= render partial: "organisations/headings", locals: request.path == organisations_path ? { main: "Organisations", sub: nil } : { main: @organisation.name, sub: "Organisations" } %>
 
 <% if current_user.support? %>
   <%= govuk_button_link_to "Create a new organisation", new_organisation_path, html: { method: :get } %>