An individual sponsor can't see coupon field in the checkout process

[ivan-berezhnov]

Describe the bug
An individual sponsor can't see coupon field in the checkout process

To Reproduce
Steps to reproduce the behaviour:

1. Login as user
2. Click on buy an individual plan
3. Follow to checkout
4. See error

Expected behaviour
A clear and concise description of what you expected to happen.

Screenshots
If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

Additional context
Add any other context about the problem here.

[anpolimus]

@ivan-berezhnov, please add screenshot.