refactor: use central flag for ControlNet image count

modules/async_worker.py

@@ -147,7 +147,7 @@ def worker():
         metadata_scheme = MetadataScheme(args.pop()) if not args_manager.args.disable_metadata else MetadataScheme.FOOOCUS
 
         cn_tasks = {x: [] for x in flags.ip_list}
-        for _ in range(4):
+        for _ in range(flags.controlnet_image_count):
             cn_img = args.pop()
             cn_stop = args.pop()
             cn_weight = args.pop()

modules/flags.py

@@ -58,6 +58,8 @@ metadata_scheme = [
 lora_count = 5
 lora_count_with_lcm = lora_count + 1
 
+controlnet_image_count = 4
+
 class Steps(Enum):
     QUALITY = 60
     SPEED = 30