Merge pull request #15555 from light-and-ray/fix_x1_upscalers

fix x1 upscalers

modules/upscaler.py

@@ -57,7 +57,7 @@ def upscale(self, img: PIL.Image, scale, selected_model: str = None):
         dest_h = int((img.height * scale) // 8 * 8)
 
         for _ in range(3):
-            if img.width >= dest_w and img.height >= dest_h:
+            if img.width >= dest_w and img.height >= dest_h and scale != 1:
                 break
 
             if shared.state.interrupted: