put refiner into main UI, into the new accordions section

add VAE from main model into infotext, not from refiner model
option to make scripts UI without gr.Group
fix inconsistencies with refiner when usings samplers that do more denoising than steps

modules/sd_samplers_cfg_denoiser.py

@@ -45,6 +45,11 @@ class CFGDenoiser(torch.nn.Module):
         self.nmask = None
         self.init_latent = None
         self.steps = None
+        """number of steps as specified by user in UI"""
+
+        self.total_steps = None
+        """expected number of calls to denoiser calculated from self.steps and specifics of the selected sampler"""
+
         self.step = 0
         self.image_cfg_scale = None
         self.padded_cond_uncond = False
@@ -56,7 +61,6 @@ class CFGDenoiser(torch.nn.Module):
     def inner_model(self):
         raise NotImplementedError()
 
-
     def combine_denoised(self, x_out, conds_list, uncond, cond_scale):
         denoised_uncond = x_out[-uncond.shape[0]:]
         denoised = torch.clone(denoised_uncond)