Don't update state.lastupdated for config changes.
Don't update state.lastupdated for config changes.

Didn’t seem to have any effect, as event for RStateLastUpdated wasn’t
enqueued.

dresden-elektronik/deconz-rest-plugin,dresden-elektronik/deconz-rest-plugin,dresden-elektronik/deconz-rest-plugin,dresden-elektronik/deconz-rest-plugin,dresden-elektronik/deconz-rest-plugin