FuzzyQuery produces a wrong result when prefix is equal to the term length

[tohidemyname]

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Summary of the changes (Less than 80 chars)

Fixes #{bug number} (in this specific format)
#941

Description

{Detail}

[paulirwin]

@tohidemyname Thanks for this PR! This erroneously includes the changes in #946 as well. You can help avoid this problem by making sure you create a branch in your fork for each change, and submitting a PR from that branch, instead of master. However, I think I can clean that up after merging #946.

Upstream corresponding commit: apache/lucene@45611d0 (LUCENE-9365) from the Lucene 9.0.0 release.

[paulirwin]

Due to this PR being created from your master branch and including a commit from a different PR, I am going to re-create this PR on a new branch, cherry-picking commit 5a9e8fe. You'll still get GitHub "credit" for this even though it'll be a new branch/PR.