Fix reset and pause of Pick and place in harmonic

[javizqh]

On reset it segfaults and breaks completely

[javizqh]

Please test with this branch of the RAM https://github.com/JdeRobot/RoboticsApplicationManager/tree/pick-place-manager to see all the logs

[anishk85]

Is this got fixed in the new merge commit ?

[javizqh]

No, this issue has been created after the PR was merged