buttons are disabled globaly (not lnoy on the first page)

CHANGELOG

@@ -8,6 +8,8 @@ minerva (12.2.3) stable; urgency=medium
   * Bug fix: updating terms of use could crash when list of users was removed 
     in separate tab or by another user (#797)
   * Bug fix: name of the checkbox in ADD PROJECT window adjusted (#799)
+  * Bug fix: when user didn't have privileges to remove comments the button was
+    active on pages other than page 1 (#792)
   * Bug fix: export of reaction to SBML didn't work when lines on the map were
     too short (#805)
 

frontend-js/src/main/js/gui/admin/CommentsAdminPanel.js

@@ -104,31 +104,36 @@ CommentsAdminPanel.prototype.init = function () {
  */
 CommentsAdminPanel.prototype.refreshComments = function () {
   var self = this;
+  var comments;
 
-  return ServerConnector.getComments({
+  return self.getServerConnector().getComments({
     projectId: self.getProject().getProjectId()
-  }).then(function (comments) {
-    var dataTable = $($("[name='commentsTable']", self.getElement())[0]).DataTable();
-    var data = [];
-    for (var i = 0; i < comments.length; i++) {
-      data.push(self.commentToTableRow(comments[i]));
-    }
-    dataTable.clear().rows.add(data).draw();
+  }).then(function (result) {
+    comments = result;
     return self.getServerConnector().getLoggedUser();
   }).then(function (user) {
     var type = self.getConfiguration().getPrivilegeType(PrivilegeType.EDIT_COMMENTS_PROJECT);
+    var disable = false;
     if (!user.hasPrivilege(type, self.getProject().getId())) {
-      $("[name='removeComment']", self.getElement()).attr("disabled", true);
+      disable = true;
+    }
+
+    var dataTable = $($("[name='commentsTable']", self.getElement())[0]).DataTable();
+    var data = [];
+    for (var i = 0; i < comments.length; i++) {
+      data.push(self.commentToTableRow(comments[i], disable));
     }
+    dataTable.clear().rows.add(data).draw();
   });
 };
 
 /**
  *
+ * @param {boolean} disable
  * @param {Comment} comment
  * @returns {string[]}
  */
-CommentsAdminPanel.prototype.commentToTableRow = function (comment) {
+CommentsAdminPanel.prototype.commentToTableRow = function (comment, disable) {
   var self = this;
   var projectId = self.getProject().getProjectId();
   var toYesNo = function (val) {
@@ -150,11 +155,15 @@ CommentsAdminPanel.prototype.commentToTableRow = function (comment) {
     title = comment.getTitle();
   }
 
+  var disabled = "";
+  if (disable) {
+    disabled = " disabled ";
+  }
   var remove = null;
   if (comment.isRemoved()) {
     remove = "YES (" + comment.getRemoveReason() + ")";
   } else {
-    remove = "<button name='removeComment' data='" + comment.getId() + "'><i class='fa fa-trash-o' style='font-size:17px'></button>";
+    remove = "<button name='removeComment' data='" + comment.getId() + "'" + disabled + "><i class='fa fa-trash-o' style='font-size:17px'></button>";
   }
 
   var author = comment.getAuthor();