Solution : https://service.sap.com/sap/support/notes/756112 (SAP Service marketplace login required)
Key words :
setting parameter hide_sap_view = 'x', start transaction cdesk, terms cdesk, badi badi_cdesk_tmb_addin, method add_new_functions, system displays, document list, function bar, cad desktop, symbols reason
Related Notes :
| 757219 | CDESK: Button "SAP view", although SAP view is hidden |
| 683575 | CDESK: BAdI, hide some views |