mavutil: dump both in-link (from timestamp bits) and out-link (if sig…

[peterbarker]

…ned)

2025-07-21 06:03:18.19: SIMSTATE (id=164) (seq=47) (src=1/1) (in-link=2) (signed=No)
    roll: -0.0014606562908738852rad (-0.08368944078630676deg)
    pitch: -0.2355131208896637rad (-13.493907846932073deg)
    yaw: -0.8118184804916382rad (-46.513772662894425deg)
    xacc: -2.070394992828369m/s/s
    yacc: 0.11628096550703049m/s/s
    zacc: -8.375968933105469m/s/s
    xgyro: -0.0009880589786916971rad/s (-0.056611609389040786deg/s)
    ygyro: -0.046041302382946014rad/s (-2.6379723098284265deg/s)
    zgyro: 0.0010819832095876336rad/s (0.061993071413390194deg/s)
    lat: -35.3388622deg
    lng: 149.1320697deg