Add the helper search_form_with

[Copilot]

• Analyze existing search_form_for implementation and test structure
• Add search_form_with method to FormHelper module that mirrors search_form_for but uses form_with instead of form_for
• Ensure search_form_with handles all the same parameters and options as search_form_for
• Add comprehensive tests for search_form_with covering all existing search_form_for test scenarios
• Ensure backward compatibility by retaining all existing helpers
• Verify that form builder integration works correctly with search_form_with
• Test search_form_with with different formats (default, pdf, json)
• Test search_form_with with array routing
• Test search_form_with with custom search keys
• Validate that all existing tests still pass

---

Additional instructions:

provide form helper updates for form_with but retain the old helpers also. Ensure full tests

Fixes #962

---

✨ Let Copilot coding agent set things up for you — coding agent works faster and does higher quality work when set up for your repo.

[Copilot]

Pull Request Overview

This PR adds a new search_form_with helper method to the FormHelper module that provides the same functionality as search_form_for but uses the modern form_with instead of the legacy form_for. This addresses issue #962 by providing a contemporary alternative while maintaining backward compatibility.

• Added search_form_with method that mirrors search_form_for functionality
• Added comprehensive test coverage for all scenarios including format handling, array routing, and custom search keys
• Maintained backward compatibility by keeping existing helpers intact

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
lib/ransack/helpers/form_helper.rb	Implements the new search_form_with method and supporting finalize_form_with_options helper
spec/ransack/helpers/form_helper_spec.rb	Adds comprehensive test suite covering all search_form_with scenarios and edge cases

---

_{Tip: Customize your code reviews with copilot-instructions.md. Create the file or learn how to get started.}