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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
I doubt it'll be implemented super soon though as it seems like an extremely niche use-case (I wouldn't even know why one would want to hide the sound icon). If it is indeed just an easy modification from the existing possibility to hide the power icon, then maybe you can ask kindly as a feature request on their Gitlab. But keep in mind that the extension basically runs on volunteer work and they have no obligation to implement whatever. A "sorry there's no time for this, try and implement it yourself" from the developers would be a completely understandable answer.