Racks - Fix vehicle racks unable to use certain intercoms

[Quantx]

This PR fixes a bug where vehicle racks are only able to use the first configured intercom.

This is bug occurs because acre_sys_intercom_intercomNames contains a list of intercoms in the following format:

[["intercom_1","Crew Intercom","Crew"],["intercom_2","Pax Intercom","Pax"]]

However, the following code only checks the first entry in the above list:

private _configuredIntercoms = _vehicle getVariable [QEGVAR(sys_intercom,intercomNames), []];
if (_int in (_configuredIntercoms select 0)) then {

[jonpas]

Let's also fix the return value on L11 to * Wired Intercoms <ARRAY>.