Cleaned up markup in prep for edits.
Modifying email field to login and switched login to occur in first column before name.
Modified sorting and listing of email to sorting and listing of loginName.
Modified so that the initial sort state of the customer list is by login name, not first name.
Prepared start of function to acquire list of order totals for the customer list, but commented out (and incomplete) due to a lack of correct results from the merchelloInvoiceService.getByCustomerKey API endpoint.
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