Changes to Get Account Summary

added the optional property fx_fallback to the response with the 200 status

added the optional property opening_balance_primary to the response with the 200 status

added the optional property projected_expenses to the response with the 200 status

added the optional property projected_expenses_primary to the response with the 200 status

added the optional property projected_income to the response with the 200 status

added the optional property projected_income_primary to the response with the 200 status

added the required property opening_balance to the response with the 200 status