fix: Collapse Scrap Items in Job Card (#28362)

diff --git a/erpnext/manufacturing/doctype/job_card/job_card.js b/erpnext/manufacturing/doctype/job_card/job_card.js
index e3eed92..f9259fb 100644
--- a/erpnext/manufacturing/doctype/job_card/job_card.js
+++ b/erpnext/manufacturing/doctype/job_card/job_card.js
@@ -23,6 +23,12 @@
 		);
 	},
 
+	onload: function(frm) {
+		if (frm.doc.scrap_items.length == 0) {
+			frm.fields_dict['scrap_items_section'].collapse();
+		}
+	},
+
 	refresh: function(frm) {
 		frappe.flags.pause_job = 0;
 		frappe.flags.resume_job = 0;
diff --git a/erpnext/manufacturing/doctype/job_card/job_card.json b/erpnext/manufacturing/doctype/job_card/job_card.json
index 7dd38f4..6528199 100644
--- a/erpnext/manufacturing/doctype/job_card/job_card.json
+++ b/erpnext/manufacturing/doctype/job_card/job_card.json
@@ -396,6 +396,7 @@
    "options": "Batch"
   },
   {
+   "collapsible": 1,
    "fieldname": "scrap_items_section",
    "fieldtype": "Section Break",
    "label": "Scrap Items"
@@ -411,7 +412,7 @@
  ],
  "is_submittable": 1,
  "links": [],
- "modified": "2021-09-14 00:38:46.873105",
+ "modified": "2021-11-12 10:15:03.572401",
  "modified_by": "Administrator",
  "module": "Manufacturing",
  "name": "Job Card",