Vispa: spawnFromFile uses file2 extension now

vispa/static/js/vue/mainmenu.js

@@ -165,7 +165,7 @@ define([
        *        *viewClass*.
        */
       spawnFromFile: function(viewClass, selectorArgs, callback) {
-        var fs = vispa.extManager.byName("file").getView("FileSelector");
+        var fs = vispa.extManager.byName("file2").getView("FileSelector");
         var viewArgs = {tabber: this.$options.tabber};
         var baseArgs = {workspace: Workspace._members.current};
         this.spawn(fs, $.extend({}, selectorArgs, {