fix: correct targeted search logic for material/stock list to prevent unrelated results

inventory-backend/app/services/print/printer_config.json

@@ -0,0 +1,10 @@
+{
+  "label_printer": {
+    "ip": "172.16.0.119",
+    "port": 9100
+  },
+  "network_printer": {
+    "ip": "192.168.9.250",
+    "port": 9100
+  }
+}