Continuation of e84b742c0b3a08ec9e2c1fab154c739fa74d4d73. With the IActionIconProvider being removed from the LayoutAssistantPage, it is only implemented by the ActionFactoryCreationSupport class in order to load the "workbench_action" icon.
Instead of adding additional complexity by going through the interface, one can simply access the class directly to get the icon, making the interface unnecessary.
Continuation of e84b742c0b3a08ec9e2c1fab154c739fa74d4d73. With the IActionIconProvider being removed from the LayoutAssistantPage, it is only implemented by the ActionFactoryCreationSupport class in order to load the "workbench_action" icon.
Instead of adding additional complexity by going through the interface, one can simply access the class directly to get the icon, making the interface unnecessary.