Hide voice call button when redundant (#12639)
* Hide voice call button when redundant
i.e. when it'd do the same thing as the video call button like in non-dm rooms
Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>
* Tests
Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>
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Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>
