Adjust blocksearch pattern tests with new returned data

tests/tavern/get_block_by_op/positive/blocktrades.pat.json

.../tavern/get_block_by_op/positive/blocktrades_asc.pat.json

...ck_by_op/positive/blocktrades_by_account_and_key.pat.json

...n/get_block_by_op/positive/blocktrades_last_page.pat.json

...et_block_by_op/positive/blocktrades_last_page.tavern.yaml

tests/tavern/get_block_by_op/positive/by_operation.pat.json

.../get_block_by_op/positive/by_operation_and_block.pat.json

..._block_by_op/positive/by_operation_and_block_asc.pat.json

...rn/get_block_by_op/positive/by_operation_and_key.pat.json

...tavern/get_block_by_op/positive/by_operation_asc.pat.json

...tavern/get_block_by_op/positive/change_direction.pat.json

...vern/get_block_by_op/positive/gtg_by_block_range.pat.json

.../get_block_by_op/positive/gtg_by_block_range_asc.pat.json

...rn/get_block_by_op/positive/non_existent_account.pat.json