Switch the default AI Agent from AI Chatbot to AI DeepChat Chatbot

Problem/Motivation

Noticed the message "This code type will be replace with the AI Deepchat Chatbot, we recommend to use that instead." in the AI Chatbot - AI Agent block type.

Proposed resolution

Switch to the AI Deepchat Chatbot - AI block type

Remaining tasks

• ✅ File an issue about this project
• ✅ Addition/Change/Update/Fix to this project
• ✅ Testing to ensure no regression
• ➖ Automated unit/functional testing coverage
• ➖ Developer Documentation support on feature change/addition
• ➖ User Guide Documentation support on feature change/addition
• ➖ UX/UI designer responsibilities
• ➖ Accessibility and Readability
• ✅ Code review from 1 Varbase core team member
• ✅ Full testing and approval
• ✅ Credit contributors
• ✅ Review with the product owner
• ✅ Update Release Notes and Update Helper on new feature change/addition
• ✅ Release varbase-10.0.4, varbase_ai_agents-1.0.2

User interface changes

Before

After

API changes

• N/A

Data model changes

• N/A

Release notes snippet

• Issue #3503473: Switched the default AI Agent from AI Chatbot to AI DeepChat Chatbot