fix: missing usage to recovery_code_invalid template

[jonas-jonas]

This PR fixes the usage of the wrong template when trying to recover a not registered account. Also clarifies the tests to reflect this case.

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 #2798 (d641b5e) into master (84ea0cf) will increase coverage by 0.01%.
The diff coverage is 54.54%.

@@            Coverage Diff             @@
##           master    #2798      +/-   ##
==========================================
+ Coverage   75.84%   75.86%   +0.01%     
==========================================
  Files         302      302              
  Lines       17796    17806      +10     
==========================================
+ Hits        13498    13508      +10     
+ Misses       3264     3261       -3     
- Partials     1034     1037       +3     

Impacted Files	Coverage Δ
selfservice/strategy/code/sender.go	80.76% <0.00%> (ø)
courier/email_templates.go	68.42% <60.00%> (+2.46%)	⬆️
session/test/persistence.go	98.73% <0.00%> (-1.27%)	⬇️
courier/template/email/recovery_code_invalid.go	100.00% <0.00%> (+40.00%)	⬆️

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[jonas-jonas]

failing CI is test coverage & flaky tests in cypress... Maybe we can turn the flaky test failure off?

[aeneasr]

Or fix the flakes at some point ;)