feat: view models for a model provider & configure helper text for inputs

[ivyjeong13]

Screen.Recording.2024-12-06.at.8.36.48.AM.mov

• view models from a Model Provider. After configuring a Model Provider, gear shows on top right
• added helper text for Azure and Ollama for some inputs that need info to help fill out

• added helper text for required inputs that may require more context (ex. Ollama & Azure OpenAI Model Provider required configurations)

For context, after discussing with Will & Craig, it was decided that it made more sense to view the models from a Model Provider. This PR adds that in but there may be a follow-up of:

• removing the Models page
• turning the delete into a disable toggle switch. disabling means: If a model is disabled, then that means the model is not usable period (Add a warning that the agents/etc could break with this being broken)
• disable instead of deleting a model
• add changing usage as a dropdown in the table row for the models

[ryanhopperlowe]

oh 1 more thing... we might want to make the table head row sticky in the dialog if possible: