Change most uses of html_id to just use block_id
Discussion forum and lti still use html id which may or may not work
for non-deprecated keys.
LMS-11236
Change most uses of html_id to just use block_id
Discussion forum and lti still use html id which may or may not work
for non-deprecated keys.
LMS-11236
Fix check and show answer for split
LMS-11237