Merge branch '3422-support-single-scan-iteration-on-musst-jog-motor-calc-acq-devices' into 'master'

Resolve "support single scan iteration on musst, jog motor, calc acq devices"

Closes #3422 (closed)

See merge request !4760 (merged)

(cherry picked from commit 3efaf7ce)

71a33a9a JogMotorMaster improvements f3d47481 MusstAcquisitionMaster : add possiblity to set start_once / prepare_once to True 6e15cba2 in AcquisitionObject : set prepare_once/start_once flags from parent if parent... 10fd515a in lima_base : add an event when lima device has been started