TypeError: undefined is not an object (evaluating 't.custom_data.length')

Sentry Issue: MOBILE-9

TypeError: undefined is not an object (evaluating 't.custom_data.length')
    at src/common/services/download.service.hasPermission(download.service.js:56)
    if('custom_data' in entity){
    at src/common/services/download.service.(download.service.js:29)
    if (hasPermission) {
...
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