Fix bypassed nodes with no inputs.

web/scripts/app.js

@@ -1362,8 +1362,11 @@ export class ComfyApp {
 								}
 							}
 						} else if (link && parent.mode === 4) {
-							let all_inputs = [link.origin_slot].concat(parent.inputs)
+							let all_inputs = [link.origin_slot];
+							if (parent.inputs) {
+								all_inputs = all_inputs.concat(Object.keys(parent.inputs))
 								for (let parent_input in all_inputs) {
+									parent_input = all_inputs[parent_input];
 									if (parent.inputs[parent_input].type === node.inputs[i].type) {
 										link = parent.getInputLink(parent_input);
 										if (link) {
@@ -1374,7 +1377,7 @@ export class ComfyApp {
 									}
 								}
 							}
-
+						}
 
 						if (!found) {
 							break;