Calendar - fix selecting 'Select all' did not consistently set select_all in calendar listview

api/js/etemplate/et2_dataview_controller_selection.js

@@ -261,6 +261,8 @@ var et2_dataview_selectionManager = (function(){ "use strict"; return Class.exte
 			var entry = this._registeredRows[key];
 			this._updateEntryState(entry, entry.state);
 		}
+
+		this._selectAll = true;
 	},
 
 	getSelected: function () {