Backport of NET-2903 Normalize weight for http routes into release/1.15.x (#16532)
* backport of commit 10ef73a5a6
* backport of commit 99f5b726d2
* NET-2903 Normalize weight for http routes (#16512)
* NET-2903 Normalize weight for http routes
* Update website/content/docs/connect/gateways/api-gateway/configuration/http-route.mdx
Co-authored-by: trujillo-adam <47586768+trujillo-adam@users.noreply.github.com>
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Co-authored-by: Melisa Griffin <melisa.griffin@hashicorp.com>
Co-authored-by: Melisa Griffin <missylbytes@users.noreply.github.com>
Co-authored-by: trujillo-adam <47586768+trujillo-adam@users.noreply.github.com>