app crashes when retrying all subscriptions

[CorentinGlaus]

Describe the bug
After obtaining the connection, the application crashes when trying to use the websocket while it is null. Seems to happen when trying to retry the subscriptions.

Expected behavior
Should subscribe successfully or try subscribing later

Screenshots

Environment(please complete the following information):

• AppSync SDK Version: 3.3.2

Device Information (please complete the following information):

• Android Version: 10

[mattcreaser]

@CorentinGlaus can you share any information about your reproduction steps?