Renamed Gui.event to Gui.custom_event

modules/gui/warp-list.lua

@@ -439,7 +439,7 @@ end)
 Gui.left_toolbar_button('item/'..config.default_icon,{'warp-list.main-tooltip',config.standard_proximity_radius},warp_list_container, function(player)
     return Roles.player_allowed(player,'gui/warp-list')
 end)
-:on_custom_event(Gui.events.on_visibility_changed_by_click, function(player,_,event)
+:on_custom_event(Gui.custom_events.on_visibility_changed_by_click, function(player,_,event)
     local state = event.state -- true if visible, false if invisible
     -- Set gui keep open state for player that clicked the button
     keep_gui_open[player.name] = state