core: downgrade CPUQuotaPeriodSec= clamping logs to debug
    
    After the first warning log, further messages are downgraded to LOG_DEBUG.
    
    (cherry picked from commit 527ede0c638b47b62a87900438a8a09dea42889e)
    
    Related: #1770379
    
    patch_name: 0399-core-downgrade-CPUQuotaPeriodSec-clamping-logs-to-de.patch
    present_in_specfile: true
    location_in_specfile: 399
    squash_commits: true