#### Expected behavior
When i try to signup with single space in email address field the app needs to give me error or alert something like "Please enter valid email address."
#### Actual behavior
When i try to signup by putting single space without any text in email address field, the app crashes.
#### How to reproduce
To reproduce the bug, do the following steps :- 
- Go to app account signup screen.
- Type Name in name field
- In email address field just press spacebar, don't type any word only press spacebar. For better understanding watch the video.
- Fill your password and press signup for an account button. After some seconds the app crashes.

<pre>
<code>
* Device:  Samsung J7 Prime
* Operating system: Android 7.0 Nougatt
* App Version: v4.8.1
</code>
</pre>

#### Recording Of The Bug
https://www.youtube.com/watch?v=5IPbcJOBrFk
    

<br /><hr/><em>Posted on <a href="https://utopian.io/utopian-io/@iamankit/irccloud-app-or-app-crashes-when-try-to-signup-with-only-space-in-email-address-format">Utopian.io -  Rewarding Open Source Contributors</a></em><hr/>