feat(settings): hide stacks for non admin when settings is set (#4025)

* refactor(settings): replace disableDeviceMapping with allow

* feat(dashboard): hide stacks if settings disabled and non admin

* refactor(sidebar): check if user is endpoint admin

* feat(settings): set the default value for stack management

* feat(settings): rename field label

* fix(sidebar): refresh show stacks state

app/docker/components/dockerSidebarContent/docker-sidebar-content.js

@@ -6,6 +6,6 @@ angular.module('portainer.docker').component('dockerSidebarContent', {
     standaloneManagement: '<',
     adminAccess: '<',
     offlineMode: '<',
-    hideStacks: '<',
+    showStacks: '<',
   },
 });