RT, Vinay | #728 | Make registration fees based on how new the patient is
RT, Vinay | #728 | Fix mapper when address is null.
RT, Vinay | #728 | Make patient visit back button to go to update patient.
RT, Vinay | Create with existing id should throw an error.

This was broken because the back-end used the same call for both create and update.
Two different requests were introduced to fix this in the backend.
This fix will use the new call.
RT, Vinay | Fix registration fee issues relate to back and forth navigation