fix autoscan behaviour in ls370res

when in autoscan, and dwell < filter, the channel was never read

+ do not export pollinterval on both Main and ResChannel

Change-Id: I50df9e151b219ab28875ac78107dcdfdede42c51
Reviewed-on: https://forge.frm2.tum.de/review/c/sine2020/secop/playground/+/25087
Tested-by: Jenkins Automated Tests <pedersen+jenkins@frm2.tum.de>
Reviewed-by: Markus Zolliker <markus.zolliker@psi.ch>

secop_psi/ls370sim.py

@@ -35,6 +35,7 @@ class Ls370Sim(Communicator):
         ('*IDN?', 'LSCI,MODEL370,370184,05302003'),
         ('SCAN?', '3,1'),
     ]
+
     def earlyInit(self):
         self._data = dict(self.OTHER_COMMANDS)
         for fmt, v in self.CHANNEL_COMMANDS: