Fix LinkedIn Automation Chrome Extension 5

My Chrome extension, used for sending connection requests and messages on LinkedIn, has stopped working after a LinkedIn update. It used to operate fully automated, either one by one or through the LinkedIn search page. Now, it shows no response or action.

Key Requirements:
- Diagnose and fix the issue caused by LinkedIn's update
- Restore both connection request and messaging functionalities

Ideal Skills and Experience:
- Proficiency in developing and debugging Chrome extensions
- Familiarity with LinkedIn's interface and changes
- Experience in handling automation tools and scripts