Fix handling restart from idle for bbr/bbr3 algorithms

[codecov-commenter]

Codecov Report

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

Project coverage is 94.69%. Comparing base (8e0df9a) to head (102477b).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #266 +/- ## =========================================== - Coverage 95.12% 94.69% -0.44% =========================================== Files 49 49 Lines 33218 33218 =========================================== - Hits 31600 31456 -144 - Misses 1618 1762 +144 ```

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