ios.previewDocument does not work on rn 59

[alshirokov81]

"rn-fetch-blob": "0.10.15",
"react": "16.8.3",
"react-native": "0.59.3"
IOS

Calling ios.previewDocument(path) causes app fall with error 'Thread 1: signal SIGABRT' in Xcode. Path value does not influence on behaviour

[alshirokov81]

It turned out that it this bug happens only on react-native-navigation and it seems that it is not connected with rn-fetch-blob

wix/react-native-navigation#4986