Enter key submits new email when using /c shortcut
After having typed the /c shortcut to access canned responses from the message editor on the "New Email" page, the Enter/Return keys cause the message to be sent, with "/c" remaining in blue in the body of the message.
This can result in a highly unprofessional outcome and I believe it is a bug.
Google Chrome Version 83.0.4103.116 (Official Build) (64-bit)
MacOS 10.15.1 (19B88)