[CLC-2590] [CLC-2598] Typo fix and feature flag for telebears Edit

QA version of: https://github.com/ets-berkeley-edu/calcentral/pull/1617

JIRA: https://jira.media.berkeley.edu/jira/browse/CLC-2590
JIRA: https://jira.media.berkeley.edu/jira/browse/CLC-2598