## Description
The logic for sanitizing Contactable data for restoration of `ItemAttachable.Contact` types.
Contact `Item.Attachment`s required the removal of:
- `odata.Context`
- `ETag`
- `ParentFolder`
Otherwise, the following error occurs on POST.
```bash
UnableToDeserializePostBody were unable to deserialize
```
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## Does this PR need a docs update or release note?
- [x] ⛔ No
## Type of change
<!--- Please check the type of change your PR introduces: --->
- [x] 🌻 Feature
- [x] 🐛 Bugfix
## Issue(s)
<!-- Can reference multiple issues. Use one of the following "magic words" - "closes, fixes" to auto-close the Github issue. -->
* closes #2426<issue>
## Test Plan
- [x] ⚡ Unit test
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