createDroppedPinString
Creates a deep link string for a dropped pin location. The string includes the property ID, building ID, floor ID, latitude, and longitude of the dropped pin. The name for a dropped pin is hardcoded as "Dropped Pin".
Return
A string representing the deep link for the dropped pin, or an empty string if mercatorZone is null. Example: ?property=202&pin=202:373!43.726852809040395!-79.45155899128218!Dropped%20Pin
Parameters
mercatorZone
The MercatorZone object representing the dropped pin's location.