return an option to hide progressbar

javascript/progressbar.js

@@ -121,6 +121,7 @@ function requestProgress(id_task, progressbarContainer, gallery, atEnd, onProgre
 
     var divProgress = document.createElement('div')
     divProgress.className='progressDiv'
+    divProgress.style.display = opts.show_progressbar ? "" : "none"
     var divInner = document.createElement('div')
     divInner.className='progress'
 

modules/shared.py

@@ -451,6 +451,7 @@ options_templates.update(options_section(('ui', "User interface"), {
 }))
 
 options_templates.update(options_section(('ui', "Live previews"), {
+    "show_progressbar": OptionInfo(True, "Show progressbar"),
     "live_previews_enable": OptionInfo(True, "Show live previews of the created image"),
     "show_progress_grid": OptionInfo(True, "Show previews of all images generated in a batch as a grid"),
     "show_progress_every_n_steps": OptionInfo(10, "Show new live preview image every N sampling steps. Set to -1 to show after completion of batch.", gr.Slider, {"minimum": -1, "maximum": 32, "step": 1}),