time: adjust time zone offset if desired location differs mere seconds when parsing string

[MarkRosemaker]

This PR aims to fix an issue where a time.Time object was seconds off after having been converted into a string using Format with RFC3339 and back using ParseInLocation.

For illustration, a copy of the test that was added to this PR.
https://go.dev/play/p/5t8wa3b_ahv

Fixes #53919

[gopherbot]

This PR (HEAD: 8874c8c) has been imported to Gerrit for code review.

Please visit https://go-review.googlesource.com/c/go/+/417934 to see it.

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[gopherbot]

Message from Ian Lance Taylor:

Patch Set 1: Hold+1

(1 comment)

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Please don’t reply on this GitHub thread. Visit golang.org/cl/417934.
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[lgrachov]

I think all files are cool!

[gopherbot]

This PR (HEAD: 6f8e945) has been imported to Gerrit for code review.

Please visit https://go-review.googlesource.com/c/go/+/417934 to see it.

Tip: You can toggle comments from me using the comments slash command (e.g. /comments off)
See the Wiki page for more info

[gopherbot]

This PR is being closed because golang.org/cl/417934 has been abandoned.

Thanks, but we aren't doing this.