next.js

531cdb59 - Fix metadata url cases should not append with trailing slash (#63050)

Fix metadata url cases should not append with trailing slash (#63050) ### What Exclude the cases like external urls and relative urls with query from appending trailing slash when it's needed. The process is: - If it's a uncertain string path (relative url, could start with `'./'` or `/`), convert to relative that starts with `/`; - then we covert the url (string or URL) to string url - We do the check if we need to append the trailing slash ### Why In #62109 we added functionality that can only append trailing slash when we appended trailing slash to some metadata url like `canonical` url and open graph url when the config is enabled. For urls with queries, the trailing slash can also be omitted. For the external urls (different origin comparing to `metadataBase`) we don't need to append trailing slash as they're not the same web app. x-ref: [slack thread](https://vercel.slack.com/archives/C0676QZBWKS/p1709845946033929) Closes NEXT-2762 Closes NEXT-2753