Feature: add some new features released in Webui1.6:

[Neptune1990]

Scope

Stable Diffusion WebUI (AUTOMATIC1111)

Describe the problem related to the feature request

Webui1.6新发布的一些功能： 1.新的采样方法，如：DPM++ 3M SDE、DPM++ 3M SDE Karras、Restart。 2.Refiner选项，包含Refiner模型与Refiner switch at。 3.高清修复独立的放大模型、采样数、放大倍率和重绘幅度。

I hope to add some new features released in Webui1.6:

1. New Sampler, such as: DPM++ 3M SDE, DPM++ 3M SDE Karras, Restart.
2. Refiner options, including Refiner model and Refiner switch at.
3. HiresFix independent Upscaler, steps, zoom ratio and denoising.

Thank you very much!

Describe the solution you'd like

—

Describe alternatives you've considered

No response

Additional context

No response