do not allow to subscribe to channels closed for subscriptions
Currently channel.subscribeable only affects if the channel is listed in subscription forms, but the naming suggest, that setting this to False would not allow users to subscribe to this channel at all.
This PR shows a message that the user can't subscribe to the channel if channel.subscribeable==False. The subscription form will be hidden in this case.
do not allow to subscribe to channels closed for subscriptions
Currently channel.subscribeable only affects if the channel is listed in subscription forms, but the naming suggest, that setting this to False would not allow users to subscribe to this channel at all.
This PR shows a message that the user can't subscribe to the channel if
channel.subscribeable==False
. The subscription form will be hidden in this case.