[DES-260] Add isDangerCancel parameter where needed
Part of https://github.com/code-dot-org/blockly/pull/317 all the description and discussion from that PR is actual for this PR.
This PR created only because I forgot to push 1 small commit to initial PR.
[DES-260] Add isDangerCancel parameter where needed
Part of https://github.com/code-dot-org/blockly/pull/317 all the description and discussion from that PR is actual for this PR. This PR created only because I forgot to push 1 small commit to initial PR.