fix: objects intersection

[javiergarea]

%%% ndto_schema_SUITE ==> properties.prop_conmutative_intersection: FAILED
%%% ndto_schema_SUITE ==> {'EXIT',{badmatch,#{<<"additionalProperties">> =>
                        #{<<"exclusiveMaximum">> => false,
                          <<"exclusiveMinimum">> => true,
                          <<"maximum">> => 1.5556132257798017,
                          <<"minimum">> => -0.44438677422019834,
                          <<"type">> => <<"number">>},
                    <<"maxProperties">> => 1,<<"minProperties">> => 1,
                    <<"properties">> => #{},
                    <<"required">> =>
                        [<<243,145,176,143,241,174,144,189,243,137,133,173,243,
                           180,157,181,241,173,138,134,240,179,134,188,241,156,
                           133,186,242,191,175,131,242,154,157,176,240,157,191,
                           174>>,
                         <<244,139,181,156,239,142,147,240,177,133,191,241,
                           140,128,188,242,154,157,163,242,190,143,161,244,
                           133,138,141,240,147,177,131,242,1,177,174,242,
                           130,1,175>>],
                    <<"type">> => <<"object">>}}}