Ollama llama3.1 loading fix

[CyanideByte]

Describe the changes you have made:

• Fixed issue when loading llama3.1 with ollama (probably other models too)
• "json.decoder.JSONDecodeError: Unterminated string starting at: line 1 column 2 (char 1)"
• Refreshed the models listed for download ("llama3.1", "phi3", "mistral-nemo", "gemma2", "codestral")

Reference any relevant issues (e.g. "Fixes #000"):

• Fixes [llama-3.1 70B]Open Interpreter's Preps did not complete after setting the model #1371
• Fixes https://discord.com/channels/1146610656779440188/1271056321579585700

Pre-Submission Checklist (optional but appreciated):

• I have included relevant documentation updates (stored in /docs)
• I have read docs/CONTRIBUTING.md
• I have read docs/ROADMAP.md

OS Tests (optional but appreciated):

• Tested on Windows
• Tested on MacOS
• Tested on Linux

[MikeBirdTech]

Tested and confirm this resolves the issue