feat(FN-3669): map reported fees amount to monetary value

[sw-mattw]

Introduction ✏️

The reported fees on the bank correction "check the information" screen needs to be formatted as a monetary value. At present, the raw number will be rendered.

Examples:

• Before: 123, After: 123.00
• Before: 1234.56, After: 1,234.56

Resolution ✔️

• Updated view model "amount" type to string
• Called monetary value formatting helper in the controller

Miscellaneous ➕

N/A