[v5] Fix forwarding notification opens from non onesignal notifs

[nan-li]

Description

One Line Summary

Cherry-pick of https://github.com/OneSignal/OneSignal-iOS-SDK/pull/1131 from main.

Details

Motivation

Fixing a swizzling issue where for non OneSignal notifications we were not forwarding notification opens to the app delegate remoteNotificationReceive.

Testing

Unit testing

Brought over the unit test from original PR even though it will not run.

Manual testing

No manual testing of functionality in this PR

• tested example app runs and opening a notification only

Affected code checklist

• [x] Notifications
  • [ ] Display
  • [x] Open
  • [ ] Push Processing
  • [ ] Confirm Deliveries
• [ ] Outcomes
• [ ] Sessions
• [ ] In-App Messaging
• [ ] REST API requests
• [ ] Public API changes

Checklist

Overview

• [x] I have filled out all REQUIRED sections above
• [x] PR does one thing
• [x] Any Public API changes are explained in the PR details and conform to existing APIs

Testing

• [ ] I have included test coverage for these changes, or explained why they are not needed
• [ ] All automated tests pass, or I explained why that is not possible
• [ ] I have personally tested this on my device, or explained why that is not possible

Final pass

• [x] Code is as readable as possible.
• [x] I have reviewed this PR myself, ensuring it meets each checklist item

---

This change is