fixed uncaught promise error when clicking back from see-all-blocks > block detail
fixed uncaught promise error when clicking back from see-all-blocks > block detail

bitpay/bitcore,martindale/bitcore,bitjson/bitcore,bitpay/bitcore,bitjson/bitcore,martindale/bitcore,martindale/bitcore,martindale/bitcore,bitpay/bitcore,bitjson/bitcore,bitpay/bitcore,bitjson/bitcore