Check if a polyhedron in other polyhedron

```julia
A = [1 0 ; 0 1; -1 0; 0 -1 ; -1 -1]
a = [3,3,3,3,3]

p=Polyhedra.polyhedron(hrep(A,a))

##CHECK

p == intersect(p,p)
```

## it must be true but gives false

how to check if a polyhedra is inside another polytope