[dashboard] Disable deleting filter bars and grids
<!-- ko if: typeof $root.collection == 'undefined' || $root.collection.getFacetById(id()) == null -->
<span data-bind="editable: name, editableOptions: { enabled: true, placement: 'right' }" title="${ _('Click to change the widget title') }"></span>
<!-- /ko -->
+ <!-- ko if: $root.isGridster() && widgetType() !== 'resultset-widget' && widgetType() !== 'filter-widget' -->
<div class="inline pull-right margin-right-10">
<a href="javascript:void(0)" class="remove-widget" data-bind="click: $root.removeWidget"><i class="fa fa-times"></i></a>
</div>
+ <!-- /ko -->
</h2>
<div class="card-body" style="padding: 5px;">
<div data-bind="template: { name: function() { return widgetType(); }}" class="widget-main-section"></div>
