sign_in: extract the procedure context to a ProcedureContextConcern

app/controllers/devise/store_location_extension.rb

@@ -1,6 +1,15 @@
 module Devise
   # Useful helpers additions to Devise::Controllers::StoreLocation
   module StoreLocationExtension
+    # A variant of `stored_location_key_for` which doesn't delete the stored path.
+    def get_stored_location_for(resource_or_scope)
+      location = stored_location_for(resource_or_scope)
+      if location
+        store_location_for(resource_or_scope, location)
+      end
+      location
+    end
+
     # Delete the url stored in the session for the given scope.
     def clear_stored_location_for(resource_or_scope)
       session_key = send(:stored_location_key_for, resource_or_scope)