Preserve pagination on entry updates (#1563)

* Preserve pagination on entry updates

* Test fix

app/helpers/application_helper.rb

@@ -166,4 +166,24 @@ module ApplicationHelper
 
     cookies[:admin] == "true"
   end
+
+  def custom_pagy_url_for(pagy, page, current_path: nil)
+    if current_path.blank?
+      pagy_url_for(pagy, page)
+    else
+      uri = URI.parse(current_path)
+      params = URI.decode_www_form(uri.query || "").to_h
+
+      # Delete existing page param if it exists
+      params.delete("page")
+      # Add new page param unless it's page 1
+      params["page"] = page unless page == 1
+
+      if params.empty?
+        uri.path
+      else
+        "#{uri.path}?#{URI.encode_www_form(params)}"
+      end
+    end
+  end
 end