Add some permission code, to see does it fix something.

Thanks to xet7 !

Related #3377

client/components/sidebar/sidebar.js

@@ -155,6 +155,9 @@ Template.memberPopup.helpers({
   user() {
     return Users.findOne(this.userId);
   },
+  isBoardAdmin() {
+    return Meteor.user().isBoardAdmin();
+  },
   memberType() {
     const type = Users.findOne(this.userId).isBoardAdmin() ? 'admin' : 'normal';
     if (type === 'normal') {
@@ -224,6 +227,9 @@ Template.boardMenuPopup.onCreated(function() {
 });
 
 Template.boardMenuPopup.helpers({
+  isBoardAdmin() {
+    return Meteor.user().isBoardAdmin();
+  },
   withApi() {
     return Template.instance().apiEnabled.get();
   },
@@ -294,6 +300,9 @@ Template.membersWidget.helpers({
       return false;
     }
   },
+  isBoardAdmin() {
+    return Meteor.user().isBoardAdmin();
+  },
 });
 
 Template.membersWidget.events({
@@ -475,6 +484,12 @@ Template.labelsWidget.events({
   'click .js-add-label': Popup.open('createLabel'),
 });
 
+Template.labelsWidget.helpers({
+  isBoardAdmin() {
+    return Meteor.user().isBoardAdmin();
+  },
+});
+
 // Board members can assign people or labels by drag-dropping elements from the
 // sidebar to the cards on the board. In order to re-initialize the jquery-ui
 // plugin any time a draggable member or label is modified or removed we use a

client/components/sidebar/sidebarArchives.js

@@ -141,6 +141,9 @@ BlazeComponent.extendComponent({
 }).register('archivesSidebar');
 
 Template.archivesSidebar.helpers({
+  isBoardAdmin() {
+    return Meteor.user().isBoardAdmin();
+  },
   isWorker() {
     const currentBoard = Boards.findOne(Session.get('currentBoard'));
     return (

client/components/sidebar/sidebarFilters.js

@@ -134,6 +134,15 @@ BlazeComponent.extendComponent({
   },
 }).register('multiselectionSidebar');
 
+Template.multiselectionSidebar.helpers({
+  isBoardAdmin() {
+    return Meteor.user().isBoardAdmin();
+  },
+  isCommentOnly() {
+    return Meteor.user().isCommentOnly();
+  },
+});
+
 Template.disambiguateMultiLabelPopup.events({
   'click .js-remove-label'() {
     mutateSelectedCards('removeLabel', this._id);