[Hacktoberfest]Fixing issues #5241 (#5255)
* Update pipeline_wuerstchen_prior.py
* prior_num_inference_steps updated
* height, width, num_inference_steps, and guidance_scale synced
* parameters synced
* latent_mean, latent_std, and resolution_multiple synced
* prior_num_inference_steps changed
* Formatted pipeline_wuerstchen_prior.py
* Update src/diffusers/pipelines/wuerstchen/pipeline_wuerstchen_prior.py
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Co-authored-by: Kashif Rasul <kashif.rasul@gmail.com>
