Organization admin cannot search managed accounts in multibyte characters properly

Summary

The search form for managed accounts doesn't handle multi-byte characters.

Steps to Reproduce

1. Verify an arbitrary domain (such as example.com)
2. Login as an account with the verified domain (such as user1@example.com)
3. Change your full name (display name) to multi-byte characters https://id.atlassian.com/ (such as "こんにちは")
4. Check that you cannot search your account by querying "こんにちは" from managed accounts

Expected Results

Organization admin can search managed accounts in multi-byte characters. Or, make it searchable by username or email address, not only by display name (full name).

Actual Results

Organization admin cannot search managed accounts in multi-byte characters.

Note

From the Managed accounts page, you can search accounts by name and email address. When you enter search criteria that is more than 3 characters, we return results that match at least 3 continuous characters in your search criteria in addition to results that include the full string.

As documented at Administer managed accounts for an organization, Atlassian Access has a 3-character restriction in search criteria; however, please consider not to apply this restriction to multibyte input because the vast majority of CJK names consists of 1 or 2 characters. For example, my last name "Yamamoto" is very common in Japan, and it is written in 2 characters "山本".

Workaround

The search form can handle a single multi-byte character. So try to search by 1-character such as "こ" out of "こんにちは". This is a very poor workaround especially for large organizations, but better than nothing.

None. The workaround introduced here is no longer available because of the 3-character restriction described above.
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