Yes. See mDNS discovery result overwrites existing thing configuration/property · Issue #3753 · openhab/openhab-core · GitHub
TLDR: It’s a feature, not a bug of openHAB. The suggested workaround in OH just got stalled, so I suggest you define the thing in a file to deny openHAB overwriting the address.
See ESPHome binding for the Native API - #175 by seime . But this does not work for you? Please send logs via PM and I’ll take a look.