Streamed `http.client` spans have different `url.full` and `http.url` attribute values

[Lms24]

These attributes should have the same values (with http.url being deprecated), but it seems like they carry different URLs (host page vs. fetch request URLs?)

Example event: https://sentry.sentry.io/explore/traces/trace/079b7f956bdf49ab90f22219e3bda5d3/?node=span-b24f99cb80594e7d&project=4505160012660736&query=span.description%3A%22POST%20https%3A%2F%2Fgibpotato.app%2Fcollection%22&source=traces&statsPeriod=14d&targetId=b24f99cb80594e7d&timestamp=1781019734

[linear-code]

JS-2808