Fix hidden_field_tag params for Rails 7 upgrade

This change addresses a breaking issue introduced by the Rails 7 upgrade, where the hidden_field_tag parameters for nested attributes were not being processed correctly. The parameter structure has been updated to match Rails 7's expected format, ensuring proper handling of nested associations.

Author: aaronskiba

app/views/research_outputs/metadata_standards/_search_result.html.erb

@@ -1,7 +1,7 @@
 <%# locals: result %>
 
 <% if result.present? %>
-  <%= hidden_field_tag "research_output[metadata_standards_attributes[#{result.id}][id]]", result.id %>
+  <%= hidden_field_tag "research_output[metadata_standards_attributes][#{result.id}][id]", result.id %>
 
   <p><%= sanitize(result.description) %></p>
 

app/views/research_outputs/repositories/_search_result.html.erb

@@ -3,7 +3,7 @@
 %>
 
 <% if result.present? %>
-  <%= hidden_field_tag "research_output[repositories_attributes[#{result.id}][id]]", result.id %>
+  <%= hidden_field_tag "research_output[repositories_attributes][#{result.id}][id]", result.id %>
 
   <p><%= result.description %></p>