getCartoCssFilePath
Retrieve the file path to the carto css file associated with the given filerId
Return
The file path to the carto css file (or null if it doesn't exist)
Parameters
filerId
the filerId of interesting
Retrieve the file path to the carto css file associated with the given propertyId
Return
The file path to the carto css file (or null if it doesn't exist)
Parameters
propertyId
the property of interest