Describe the bug

Use case:
User A requests 125 MANA (or any other ERC20 token)
User B opens that user's request but only has 3.2877 MANA (or any balance under 125)
User B isn't shown any insufficient funds warning, and when tapping on Send button gets a transaction error

Screenshots

Seen here = http://recordit.co/zKjp8fGBmb

To Reproduce

1. Make a request for an ERC20 token in a high amount
2. Go to an account that doesn't have enough to cover that amount (insufficient funds)
3. Open the deeplink or QR code for the payment request from step 1
4. Once on confirm view tap send

Expected behavior

User should be given the insufficient funds warning once landing on confirm view

Smartphone (please complete the following information):

• Device: Any device
• OS: Any OS
• Version 0.2.16

to be added after bug submission by internal support / PM
Severity

• How critical is the impact of this bug on a user?
• Add stats if available on % of customers impacted
• Is this visible to all users?
• Is this tech debt?