fix: add HydraLoginRequest on flow creation

[CaptainStandby]

fixes #3108

The oauth2_login_request field was missing when initially creating the login flow.

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

[aeneasr]

Can you explain what this fixes?

[CaptainStandby]

Can you explain what this fixes?

Forgot to add the ticket yesterday 🙈
This fixes this issue #3108 where the oauth2_login_request field was missing on initial flow creation.

[codecov]

Codecov Report

Merging #3152 (a1244b9) into master (dba3803) will decrease coverage by 0.01%.
The diff coverage is 100.00%.

❗ Current head a1244b9 differs from pull request most recent head e2b2b7f. Consider uploading reports for the commit e2b2b7f to get more accurate results

@@            Coverage Diff             @@
##           master    #3152      +/-   ##
==========================================
- Coverage   77.58%   77.57%   -0.01%     
==========================================
  Files         316      316              
  Lines       19906    19907       +1     
==========================================
- Hits        15444    15443       -1     
- Misses       3273     3274       +1     
- Partials     1189     1190       +1     

Impacted Files	Coverage Δ
selfservice/flow/login/handler.go	78.87% <100.00%> (+0.09%)	⬆️
session/test/persistence.go	99.05% <0.00%> (-0.95%)	⬇️
courier/message.go	73.91% <0.00%> (+2.17%)	⬆️

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

[aeneasr]

Nice! Registration has the same problem by the way.