GitLab.com new paid subscription purchase flow throwing error
## Summary
User has reported receiving `Failed to confirm your order! Please try again.` when attempting to by a paid subscription within GitLab.com.

## Possible Root Cause
The new registration with checkout flow creates a group name from the company name automatically, but doesn't validate or sanitize the Group Name input. The save fails and we get a cryptic error message
## Workaround
Avoid commas and other disallowed characters in the company name
## Solution Suggestion
Sanitize the Group Name input, in such a way that it conforms to the rules set in the original group creation screen, as partially seen in the screenshot.

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