Show alert when bounty label from GitHub and amount mismatch

[nyomanjyotisa]

Follow up of #1518

If bounty label from GitHub and invoice line total mismatch, add alert under Verified/Unverified alert:

And show the yellow status dot:

Mismatch example:

[nyomanjyotisa]

@d4mr could you leave a comment here so I can assign this to you?

[d4mr]

hi, sure please assign it to me