Fix missing const for `int` conversion of `CommID`

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 53.57%. Comparing base (a1fec52) to head (287adb9).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #3122 +/- ## ======================================== Coverage 53.57% 53.57% ======================================== Files 1003 1003 Lines 85289 85289 ======================================== + Hits 45694 45696 +2 + Misses 39595 39593 -2 ```

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