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/shared_items.py

@@ -69,8 +69,8 @@ def reload_hypernetworks():
 ui_reorder_categories_builtin_items = [
     "inpaint",
     "sampler",
+    "accordions",
     "checkboxes",
-    "hires_fix",
     "dimensions",
     "cfg",
     "seed",
@@ -86,7 +86,7 @@ def ui_reorder_categories():
 
     sections = {}
     for script in scripts.scripts_txt2img.scripts + scripts.scripts_img2img.scripts:
-        if isinstance(script.section, str):
+        if isinstance(script.section, str) and script.section not in ui_reorder_categories_builtin_items:
             sections[script.section] = 1
 
     yield from sections