feat(storage_models): impl generic filter order and add function in payment_attempt to get latest based on created_at

[Abhicodes-crypto]

Type of Change

• [ ] Bugfix
• [x] New feature
• [ ] Enhancement
• [ ] Refactoring
• [ ] Dependency updates

Description

In order to have multiple payment_attempts for a single payment_intent we need a function to fetch the latest payment attempt.

Additional Changes

• [ ] This PR modifies the database schema
• [ ] This PR modifies application configuration/environment variables

Motivation and Context

How did you test it?

Checked if it compiles.

Checklist

• [x] I formatted the code cargo +nightly fmt --all
• [x] I addressed lints thrown by cargo clippy
• [x] I reviewed submitted code
• [x] I added unit tests for my changes where possible
• [ ] I added a CHANGELOG entry if applicable