wait_until_state: use timeout from config

[mirekdlugosz]

The goal is really to lower timeout value from unreasonable one hour, but if we allow users to specify scan_timeout globally, that function should respect it.

[codecov[bot]]

Codecov Report

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

Project coverage is 78.33%. Comparing base (076dfb9) to head (0498269). Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #538 +/- ## ======================================= Coverage 78.33% 78.33% ======================================= Files 7 7 Lines 683 683 ======================================= Hits 535 535 Misses 148 148 ```

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