demote MesosCommand send error log

This log cannot be understood by an operator on its own.

typically, there is another error log just after, which includes this message, but also gives some context:
```
transition 'START_ACTIVITY' failed, transitioning into ERROR. error="transition canceled with error: START could not complete for critical tasks, errors: task 'source /etc/profile.d/o2.sh && export DPL_RAWPROXY_OVERRIDE_ORBITRESET=1718863780392 && o2-qc --config apricot://alio2-cr1-hv-aliecs.cern.ch:32188/o2/components/qc/ANY/any/tof-full-epn-qcmn --remote --shm-metadata-msg-size 100000 -b | o2-qc' on alio2-cr1-qc03 (id 2uWFxUQq3ku) failed with error: MesosCommand_Transition timed out for task 2uWFxUQq3ku"
```
i think it's fine to move it to Devel

Author: knopers8

core/controlcommands/commandqueue.go

@@ -163,6 +163,7 @@ func (m *CommandQueue) commit(command MesosCommand) (response MesosCommandRespon
 			res, err := m.servent.RunCommand(singleCommand, receiver)
 			if err != nil {
 				log.WithField("partition", command.GetEnvironmentId().String()).
+					WithField(infologger.Level, infologger.IL_Devel).
 					WithError(err).
 					Warning("MesosCommand send error")