Fix: No successful downloads to add as attachments when using Activate web search feature

[bars0um]

Issue:

Activate web search, when checked, does not come up with any findings.

This fixes some of the page retrieval logic and improves the chance of successfully fetching website content to add to your context.

Note: you will need to install html2text and brotli

# activate conda as needed 
pip install html2text brotli 

Checklist:

• [x ] I have read the Contributing guidelines.