attachment parameter fixes for sparepart request

lib/models/generic_attachment_model.dart

@@ -189,6 +189,15 @@ class GenericAttachmentModel {
     data['documentTypeId'] = documentType?.id;
     return data;
   }
+  Map<String, dynamic> toSparePartJson() {
+    final Map<String, dynamic> data = <String, dynamic>{};
+    data['id'] = id;
+    data['name'] = name;
+    data['createdBy'] = createdBy;
+    data['originalName'] = originalName;
+    data['attachmentTypeId'] = documentType?.id;
+    return data;
+  }
 
   Map<String, dynamic> toWorkOrderJson() {
     final Map<String, dynamic> data = <String, dynamic>{};

lib/models/helper_data_models/spare_part/activity_spare_part_model.dart

@@ -44,7 +44,7 @@ class SparePartHelperModel {
     }
     data['comment'] = comment;
     if (sparePartAttachments != null) {
-      data['acitiySparePartAttachments'] = sparePartAttachments!.map((v) => v?.toJson() ?? {}).toList();
+      data['acitiySparePartAttachments'] = sparePartAttachments!.map((v) => v?.toSparePartJson() ?? {}).toList();
     }
     return data;
   }
@@ -59,7 +59,7 @@ class SparePartHelperModel {
     data['installQty'] = installQty;
     data['returnQty'] = returnQty;
     if (sparePartAttachments?.isNotEmpty ?? false) {
-      data['acitiySparePartAttachments'] = sparePartAttachments!.map((v) => v.toJson()).toList();
+      data['acitiySparePartAttachments'] = sparePartAttachments!.map((v) => v.toSparePartJson()).toList();
     }
     return data;
   }