Add a new Plugin attribute to enable/disable theme selecting by the user
Add a new Plugin attribute to enable/disable theme selecting by the user

lsaffre/lino_extjs6,lsaffre/lino_extjs6,lino-framework/extjs6,lino-framework/extjs6,lino-framework/extjs6,lsaffre/lino_extjs6,lsaffre/lino_extjs6,lsaffre/lino_extjs6