[TECH SUPPORT] LPS-36368 Always allow export, not just in case of local staging

Hi Tamás,

LPS-36368 is committed to master already, but the LPP has been reopened because it does not work for remote staging. I have added another commit which removes the condition that prevents replacing absolute urls in case of remote staging (and normal export).

Remote Publishing does not work for Web Contents without LPS-40583, please remove the commits before forwarding the pull because it seems to be merged soon: https://github.com/brianchandotcom/liferay-portal/pull/14223

Thanks,
Ákos