Log messages from level-control.cpp print a hexadecimal pointer value where the intention is to print a text string

[stevegrau-ayla]

https://github.com/project-chip/connectedhomeip/blob/0c2f7c6c09e8542c18da5e4e64cc48545571a384/src/app/clusters/level-control/level-control.cpp#L343

There are 15 instances of "%p" in this file that should be "%s". In most instances there is also a missing space so "%p" should be "%s "