When Cancelling add attachment app crashes

[JJ-Kidd]

Describe the bug
Application throws an unhandled error due to a rejected promise.
When a user clicks to add an attachment, then clicks 'Upload a file', then 'Cancel' I receive "mimeType.startsWith is not a function".
The error is surfaced from stream-chat-react-native-core.

Dev environment info (please complete/provide the following information):

• stream-chat-react-native-core: v0.5.1
• react-native
• Simulator: iPhone 8 and iPhone 11

To Reproduce
Steps to reproduce the behavior:

1. Open a chat
2. Select to add an attachment
3. Select "Upload a file"
4. Click "Cancel" in top right corner

Expected behavior
A user should be returned to the chat and handle the error correctly

Screenshots

[vishalnarkhede]

Thanks for reporting ti @JJ-Kidd . We will look into it and fix it asap!!

[vishalnarkhede]

We will publish a fix for this tomorrow :)

[vishalnarkhede]

Hey @JJ-Kidd fixed -v0.6.0

Please confirm if it works for you!!

[lokewk]

@vishalnarkhede I am facing the same issue, when a user clicks to add an attachment, then clicks 'Upload a file', then 'Cancel'. User will have the above message.

[lokewk]

@vishalnarkhede any update on this?