What version of Hugo are you using (hugo version)?

$ hugo version
hugo v0.99.1-d524067382e60ce2a2248c3133a1b3af206b6ef1+extended linux/amd64 BuildDate=2022-05-18T11:18:14Z VendorInfo=gohugoio

Does this issue reproduce with the latest release?

Yes

General Problem description

LiveReload doesn't seem to work in GitHub Codespaces. This seems to be due to the port being appended to the url even when --appendPort=false is passed to the cli