fix(channels): fix creating inline keyboard without payload (#3453)
fix(channels): fix creating inline keyboard without payload (#3453)

Co-authored-by: Francois-Xavier P. Darveau <f6d2c4677d034c3f9aacb1bb1221e97417ec9e73@users.noreply.github.com>
botpress/botpress,botpress/botpress,botpress/botpress,botpress/botpress