feat(docker): option to disable readmore-js on container table

This PR adds a user configurable option to disable readmore-js usage on the docker container table.

languages/en_US/helptext.txt

@@ -959,6 +959,12 @@ Before you can start the Docker service for the first time, please specify an im
 Once started, Docker will always automatically start after the array has been started.
 :end
 
+:docker_readmore_help:
+Some systems with a lot of docker containers may experience lag using the main Docker page.
+
+Setting this to "Yes" may help speed up page loads.
+:end
+
 :docker_timeout_help:
 The time in seconds to allow a container to gracefully stop before forcing it to stop
 :end

plugins/dynamix.docker.manager/DockerContainers.page

@@ -19,6 +19,8 @@ Nchan="docker_load:stop"
  */
 ?>
 <?
+require_once "$docroot/plugins/dynamix.docker.manager/include/DockerClient.php";
+
 $width   = in_array($theme,['white','black']) ? -58: -44;
 $top     = in_array($theme,['white','black']) ? 40 : 20;
 $busy    = "<i class='fa fa-spin fa-circle-o-notch'></i> "._('Please wait')."... "._('starting up containers');
@@ -80,7 +82,9 @@ function resetSorting() {
 }
 function listview() {
   var more = $.cookie('docker_listview_mode')=='advanced';
+  <?if(($dockercfg['DOCKER_READMORE']??'yes') === 'yes'):?>
   $('.docker_readmore').readmore({maxHeight:32,moreLink:"<a href='#' style='text-align:center'><i class='fa fa-chevron-down'></i></a>",lessLink:"<a href='#' style='text-align:center'><i class='fa fa-chevron-up'></i></a>"});
+  <?endif;?>
   $('input.autostart').each(function(){
     var wait = $('#'+$(this).prop('id').replace('auto','wait'));
     var auto = $(this).prop('checked');

plugins/dynamix.docker.manager/DockerSettings.page

@@ -150,6 +150,16 @@ _(Enable Docker)_:
 
 :docker_enable_help:
 
+_(Enable container table readmore-js)_:
+: <select id="DOCKER_READMORE" name="DOCKER_READMORE">
+
+  <?=mk_option($dockercfg['DOCKER_READMORE'], 'yes', _('Yes'))?>
+  <?=mk_option($dockercfg['DOCKER_READMORE'], 'no', _('No'))?>
+
+  </select>
+
+:docker_readmore_help:
+
 _(Docker Stop Timeout)_:
 : <input class='narrow' id="DOCKER_TIMEOUT" type="number" name="DOCKER_TIMEOUT" min='1' value="<?=$dockercfg['DOCKER_TIMEOUT']??''?>">_(seconds)_