Supplemental selectors in /scoreboard teams join & leave don't work with the @e selector

/scoreboard teams add blah

works: /scoreboard teams join blah @p @p @p @p
works: /scoreboard teams join blah @e @p @p @p
doesn't work: /scoreboard teams join blah @e @e @e @e

supplemental selectors weren't setup to work with the @e selector