Update to remove FactorioModGui

modules/ExpGamingCore/Gui/src/toolbar.lua

@@ -7,6 +7,7 @@
 --- This is a submodule of ExpGamingCore.Gui but for ldoc reasons it is under its own module
 -- @function _comment
 
+local mod_gui = require("mod-gui")
 local toolbar = {}
 
 --- Add a button to the toolbar, ranks need to be allowed to use these buttons if ranks is preset