Tweak ACS commitment dashboard (#3624)

- Adds the legend on the right to the lag dashboards sorted in
descending order to quickly spot lags
- adds missing aggregations

[static]

Signed-off-by: Moritz Kiefer <moritz.kiefer@purelyfunctional.org>
Co-authored-by: Moritz Kiefer <moritz.kiefer@purelyfunctional.org>

Author: moritzkiefer-da