Installing BTCPay server plugins is not possible

[slaapyhoofd]

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When you install a plugin in BTCPay server you get the message:

Plugin scheduled to be installed. You need to restart BTCPay Server in order to update your active plugins.

And an action is scheduled to be installed

I tried different ways of restarting BTCPay:

1. docker restart container
2. ~/umbrel/scripts/app restart btcpay-server

According to the BTCPay server manual there should be 2 other options: https://docs.btcpayserver.org/FAQ/ServerSettings/#how-to-restart-btcpay-server

1. Maintenance option in the Server Settings menu, which is not there. (Maintenance feature is removed long ago so manual is not up-to-date)
2. btcpay-restart.sh script, I looked in the BTCPay docker container via docker exec -it mycontainer /bin/bash but the script does not exist

Is there a correct way to restart BTCPay server so the plugins will be installed?