Fix IMU parent link names for gz-sim-yarp-plugins

[xela-95]

By checking if the modifications introduced by #253 were also working on the modern Gazebo, I found a mistake I made in #250.

[xela-95]

CC @Nicogene @traversaro

[xela-95]

BTW, I should implement a smoke test to be run automatically by the CI in order to not having to do this manually every time 😅

[traversaro]

BTW, I should implement a smoke test to be run automatically by the CI in order to not having to do this manually every time 😅

Yes, I think an executable that just loads the model, checks if the yarprobotinterface loaded correctly and shut downs and report if success or failure would be quite useful.