combine_random_string_if_no_address: Conditionally return a random string
Description
Returns a 22 character long random string if address provided is labelled as
missing ("No trade/house address found").
Usage
combine_random_string_if_no_address(address)
Value
A length 1 character string vector: 22 character long random string
if address labelled as missing ("No trade/house address found"),
address otherwise.