long_both_click error with Xiaomi Aqara 2 gang wall switch

[Jonny4911]

Home Assistant release with the issue:
0.70.1

Last working Home Assistant release (if known):
None

Operating environment (Hass.io/Docker/Windows/etc.):
Hass.io

Component/platform:
Xiaomi Aqara

Description of problem:
Same problem as #14694 but with the event long_both_click when both buttons are pressed together on my wireless xiaomi dual gang wall switch (and also the long_click errors, but that should resolved by the previous commit)
errors in log:

Sun Jun 03 2018 23:01:50 GMT+0100 (GMT Summer Time) Unsupported click_type detected: long_both_click

[syssi]

Thanks for your bug report. I will suppress this event, too.