If this was possible, please create a Cabin for default airliners (i.e. A320neo, 747, 787, Cessna Longitude) and we could enter the cabin from the cockpit. And be able to open the Cockpit door 
.
Nothing special, just a row of standard blue seats-and possibly include a First Class Cabin.
Seating Arrangements:
A320neo- Economy (3 by 3) First Class (2 by 2)
747-8-Economy (2 by 4 by 2) First Class (2 by 3 by 2) Business Class (lie flat; 1 by 2 by 1)
787-10-Economy (2 by 4 by 2) First Class (2 by 3 by 2) Business Class (lie flat; 1 by 2 by 1)
Cessna Longitude-all seats; 1 by 1