fix dropdown

src/main/kotlin/com/restapi/domain/models.kt

@@ -332,6 +332,7 @@ open class Product : BaseTenantModel() {
         this.description = updatedProduct.description
         this.hsnCode = updatedProduct.hsnCode
         this.uom = updatedProduct.uom
+        this.gstPct = updatedProduct.gstPct
     }
 
     var id: String? = null