Fix SD upscale Batch count (lllyasviel#2950)

Co-authored-by: LilithDragoness <secret@email.com>

Author: LilithDragoness

scripts/sd_upscale.py

@@ -98,4 +98,6 @@ def run(self, p, _, overlap, upscaler_index, scale_factor):
 
         processed = Processed(p, result_images, seed, initial_info)
 
+        p.n_iter = upscale_count
+
         return processed