fix: using first name as last name

[aeneasr]

Closes #3551

Related issue(s)

Checklist

• I have read the contributing guidelines.
• I have referenced an issue containing the design document if my change
  introduces a new feature.
• I am following the
  contributing code guidelines.
• I have read the security policy.
• I confirm that this pull request does not address a security
  vulnerability. If this pull request addresses a security vulnerability, I
  confirm that I got the approval (please contact
  security@ory.sh) from the maintainers to push
  the changes.
• I have added tests that prove my fix is effective or that my feature
  works.
• I have added or changed the documentation.

Further Comments

[codecov]

Codecov Report

Merging #3556 (7b1cb48) into master (8a0e496) will decrease coverage by 0.10%.
The diff coverage is 100.00%.

❗ Current head 7b1cb48 differs from pull request most recent head b781af3. Consider uploading reports for the commit b781af3 to get more accurate results

@@            Coverage Diff             @@
##           master    #3556      +/-   ##
==========================================
- Coverage   78.31%   78.21%   -0.10%     
==========================================
  Files         342      341       -1     
  Lines       22869    22831      -38     
==========================================
- Hits        17910    17858      -52     
- Misses       3614     3631      +17     
+ Partials     1345     1342       -3     

Files	Coverage Δ
selfservice/strategy/oidc/provider_apple.go	38.63% <100.00%> (+0.70%)	⬆️

... and 10 files with indirect coverage changes