Reconnect does not work after RESTART_APPLICATION

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Describe the bug
As a consequence of SYS.RESTART_APPLICATION, the E3/DC device is offline for a while.
The e3dc-rscp Adapter hangs after the E3/DC device is up and running again.

To Reproduce
Steps to reproduce the behavior:

1. Go to SYS
2. Set RESTART_APPLICATIONto true
3. Observe that the E3/DC device is unreachable for about 1 Minute
4. After the E3/DC device is up and running again, the e3dc-rscp adapter does nod work anymore (needs a restart)

Expected behavior
The e3dc-rscp adapter should silently recover from a E3/DC interruption.

Screenshots & Logfiles
N/A

Versions:

• Adapter version: 1.0.2
• JS-Controller version: 3.3.22
• Node version: 14.15.3
• Operating system: Win11

Additional context
N/A

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Similar reports:
https://forum.iobroker.net/post/763538 by @arnod
https://forum.iobroker.net/post/763561 by @PB

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Solved with v1.0.3

• reconnect also on tcpConnection.close
• clear all timers after connection broke
• start all timers within initChannel() - used to be in onReady()