[CA] [CA11] LH3 3.10 update iTC-5 converter issue

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I’ve updated LH3 in version 3.9 few weeks ago, but still after the Power On Reset of all MFDs, I had few times unexpected MFD reboots. Of course far less than before the Power On Reset, and no more reboot loops.
In a goal to possibly fix these last issues I tried to update in version 3.10.39, but I had to face a new problem regarding now iTC-5 converter.
1. After the successful update to 3.10 the system proposed to update iTC-5 firmware to the same version 1.12. It was surprising and tried to update it. However the update was coming back again even after a success.
2. So I decided to proceed to a Power On Reset on all MFDs and to reconfigure from scratch, but the iTC-5 update issue has remained
3. During reconfiguration, I discovered that the iTC-5 converter was now preventing to select manually the Data Sources (transducers, GPS, ...). After discovering that additional issue I rolled back to 3.9 and everything is working fine again.

Is this a bug of 3.10.39 or the iTC-5 interface is no more supported under 3.10?