Plugins: don't use plugins in call if not enabled

Even if the plugins are disabled in the configuration, they are still activated during a call.

assigned to @agsantos

https://review.jami.net/c/ring-daemon/+/17461

changed milestone to %Backlog

removed milestone %Backlog

added sprintto review label

mentioned in commit 17f9bda8

added sprintdone label and removed sprintto review label

closed

reopened

removed sprintdone label

added sprintin progress label

https://review.jami.net/c/ring-daemon/+/17555

@agsantos close?

no. In discussion with @atraczyk

added sprintto review label and removed sprintin progress label

mentioned in commit eab08ce2

added sprintdone label and removed sprintto review label

removed sprintdone label

closed