## 🎯 Goal
Linear ticket:
https://linear.app/stream/issue/RN-469/edits-drop-custom-attachments-from-messages
This PR fixes an issue where editing a message would cause custom
attachments specifically (or well any attachments that might not require
uploads for example) to be removed instead.
## 🛠 Implementation details
<!-- Provide a description of the implementation -->
## 🎨 UI Changes
<!-- Add relevant screenshots -->
<details>
<summary>iOS</summary>
<table>
<thead>
<tr>
<td>Before</td>
<td>After</td>
</tr>
</thead>
<tbody>
<tr>
<td>
<!--<img src="" /> -->
</td>
<td>
<!--<img src="" /> -->
</td>
</tr>
</tbody>
</table>
</details>
<details>
<summary>Android</summary>
<table>
<thead>
<tr>
<td>Before</td>
<td>After</td>
</tr>
</thead>
<tbody>
<tr>
<td>
<!--<img src="" /> -->
</td>
<td>
<!--<img src="" /> -->
</td>
</tr>
</tbody>
</table>
</details>
## 🧪 Testing
<!-- Explain how this change can be tested (or why it can't be tested)
-->
## ☑️ Checklist
- [ ] I have signed the [Stream
CLA](https://docs.google.com/forms/d/e/1FAIpQLScFKsKkAJI7mhCr7K9rEIOpqIDThrWxuvxnwUq2XkHyG154vQ/viewform)
(required)
- [ ] PR targets the `develop` branch
- [ ] Documentation is updated
- [ ] New code is tested in main example apps, including all possible
scenarios
- [ ] SampleApp iOS and Android
- [ ] Expo iOS and Android