Add option to specify hostname in BrowserRefreshServer (#25572)
Add option to specify hostname in BrowserRefreshServer (#25572)

* Add option to specify hostName for refresh server

* Update env variable name per suggestion

Co-authored-by: Pranav K <ffb1c3cb43d4d3339a9d45f1dd93330c25cd9aa1@hotmail.com>

Co-authored-by: Pranav K <ffb1c3cb43d4d3339a9d45f1dd93330c25cd9aa1@hotmail.com>
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