Issue Summary

When adding a new incoming mail server with OAuth 2.0 or editing an existing one, setting the timeout doesn't have any effect. Afterwards the timeout is still 10000 ms.

Steps to Reproduce

1. Add or edit an incoming mail server with OAuth 2.0.
2. Set the timeout to 12345 ms.
3. Click "Authorize".
4. Click "Test Connection".
5. Click "Save".
6. Edit the server and examine the timeout value.

Expected Results

It should show 12345 ms.

Actual Results

It shows 10000 ms which is the default value.

Workaround

Currently there is no known workaround for this behavior. A workaround will be added here when available.