restore inventory and healthbar

* make inventory/healthbar work again allowing reload
* changes in top menu toggle buttons
* all modules are now reloadable by default
* fix warning when using fade in
* remove some unused files

modules/client_modulemanager/modulemanager.otmod

@@ -3,9 +3,6 @@ Module
   description: Manage other modules
   author: OTClient team
   website: https://github.com/edubart/otclient
-  reloadable: true
-  autoload: true
-  autoload-priority: 140
 
   dependencies:
     - client_topmenu