authorizing the update fields of a member can be simplified?

[kenfdev]

hr-sample-app/server/src/members/edit-member-detail/editMemberDetailService.ts

Lines 38 to 56 in 161aa22

	// have to check if the field is included in the payload
	// because TypeOrm will try to set undefined values
	// which will lead to unpredictable consequences
	if (authorizedFields.has('firstName') && 'firstName' in payload)
	authorizedPayload.firstName = payload.firstName;
	if (authorizedFields.has('lastName') && 'lastName' in payload)
	authorizedPayload.lastName = payload.lastName;
	if (authorizedFields.has('phoneNumber') && 'phoneNumber' in payload)
	authorizedPayload.phoneNumber = payload.phoneNumber;
	if (authorizedFields.has('email') && 'email' in payload)
	authorizedPayload.email = payload.email;
	if (authorizedFields.has('pr') && 'pr' in payload)
	authorizedPayload.pr = payload.pr;
	if (authorizedFields.has('age') && 'age' in payload)
	authorizedPayload.age = payload.age;
	if (authorizedFields.has('salary') && 'salary' in payload)
	authorizedPayload.salary = payload.salary;
	if (authorizedFields.has('department') && 'departmentId' in payload)
	authorizedPayload.departmentId = payload.departmentId;