Fix rabbitmq-plugins list in all instances of docker-entrypoint.sh

For context, see
2da98843a4 (commitcomment-31470432)

@tianon why are there so many instances of docker-entrypoint.sh?

Without this, the default container will fail to start:

    docker run -it rabbitmq:3.7-rc-alpine

    BOOT FAILED
    ===========

    Config file generation failed 11:52:58.890 [error] You've tried to set management.listener.port, but there is no setting with that name.
    11:52:58.890 [error]   Did you mean one of these?
    11:52:58.932 [error]     inet_dist_listen_max
    11:52:58.932 [error]     inet_dist_listen_min
    11:52:58.932 [error]     listeners.ssl
    11:52:58.932 [error] You've tried to set management.listener.ssl, but there is no setting with that name.
    11:52:58.932 [error]   Did you mean one of these?
    11:52:58.972 [error]     listeners.ssl
    11:52:58.972 [error]     inet_dist_listen_max
    11:52:58.972 [error]     inet_dist_listen_min
    11:52:58.972 [error] Error generating configuration in phase transform_datatypes
    11:52:58.972 [error] Conf file attempted to set unknown variable: management.listener.ssl
    11:52:58.972 [error] Conf file attempted to set unknown variable: management.listener.port

    BOOT FAILED
    ===========

    Error description:
        rabbit:start_it/1 line 465
        rabbit:boot_error/2 line 871
        rabbit_lager:log_locations/0 line 88
        rabbit_lager:ensure_lager_configured/0 line 189
        rabbit_lager:lager_configured/0 line 197
        lager:list_all_sinks/0 line 328
        lager_config:get/2 line 71
        ets:lookup(lager_config, {'_global',handlers})
    exit:generate_config_file
    Log file(s) (may contain more information):

    {"init terminating in do_boot",generate_config_file}
    init terminating in do_boot (generate_config_file)

    Crash dump is being written to: /var/log/rabbitmq/erl_crash.dump...done

3.7-rc/alpine/docker-entrypoint.sh

@@ -365,7 +365,7 @@ if [ "$1" = 'rabbitmq-server' ] && [ "$shouldWriteConfig" ]; then
 
 	# if management plugin is installed, generate config for it
 	# https://www.rabbitmq.com/management.html#configuration
-	if [ "$(rabbitmq-plugins list -m -e rabbitmq_management)" ]; then
+	if [ "$(rabbitmq-plugins list -q -m -e rabbitmq_management)" ]; then
 		if [ "$haveManagementSslConfig" ]; then
 			rabbit_set_config 'management.listener.port' 15671
 			rabbit_set_config 'management.listener.ssl' 'true'

3.7-rc/docker-entrypoint.sh

@@ -365,7 +365,7 @@ if [ "$1" = 'rabbitmq-server' ] && [ "$shouldWriteConfig" ]; then
 
 	# if management plugin is installed, generate config for it
 	# https://www.rabbitmq.com/management.html#configuration
-	if [ "$(rabbitmq-plugins list -m -e rabbitmq_management)" ]; then
+	if [ "$(rabbitmq-plugins list -q -m -e rabbitmq_management)" ]; then
 		if [ "$haveManagementSslConfig" ]; then
 			rabbit_set_config 'management.listener.port' 15671
 			rabbit_set_config 'management.listener.ssl' 'true'

3.7/alpine/docker-entrypoint.sh

@@ -365,7 +365,7 @@ if [ "$1" = 'rabbitmq-server' ] && [ "$shouldWriteConfig" ]; then
 
 	# if management plugin is installed, generate config for it
 	# https://www.rabbitmq.com/management.html#configuration
-	if [ "$(rabbitmq-plugins list -m -e rabbitmq_management)" ]; then
+	if [ "$(rabbitmq-plugins list -q -m -e rabbitmq_management)" ]; then
 		if [ "$haveManagementSslConfig" ]; then
 			rabbit_set_config 'management.listener.port' 15671
 			rabbit_set_config 'management.listener.ssl' 'true'

3.7/docker-entrypoint.sh

@@ -365,7 +365,7 @@ if [ "$1" = 'rabbitmq-server' ] && [ "$shouldWriteConfig" ]; then
 
 	# if management plugin is installed, generate config for it
 	# https://www.rabbitmq.com/management.html#configuration
-	if [ "$(rabbitmq-plugins list -m -e rabbitmq_management)" ]; then
+	if [ "$(rabbitmq-plugins list -q -m -e rabbitmq_management)" ]; then
 		if [ "$haveManagementSslConfig" ]; then
 			rabbit_set_config 'management.listener.port' 15671
 			rabbit_set_config 'management.listener.ssl' 'true'