FIX: Now checking that webView.request.URL is not null before accessing properties on it. (#4830)
FIX: Now checking that webView.request.URL is not null before accessing properties on it. (#4830)

- The symptom is the app would crash when web view tries to load
certain (valid) requests.
NativeScript/NativeScript,NativeScript/NativeScript,NativeScript/NativeScript,NativeScript/NativeScript,NativeScript/NativeScript