fix(oidc): grace period for continuity container on oidc callbacks

[aeneasr]

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]

This was merged as part of another PR

[aeneasr]

Or was it?

[aeneasr]

It was not.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 66.07143% with 19 lines in your changes are missing coverage. Please review.

Project coverage is 78.08%. Comparing base (5288bc7) to head (926ed2a). Report is 1 commits behind head on master.

Files	Patch %	Lines
continuity/manager_cookie.go	40.00%	5 Missing and 4 partials :warning:
x/cookie.go	0.00%	6 Missing :warning:
persistence/sql/persister_continuity.go	75.00%	1 Missing and 2 partials :warning:
selfservice/strategy/oidc/strategy.go	75.00%	0 Missing and 1 partial :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #3915 +/- ## ========================================== + Coverage 78.02% 78.08% +0.05% ========================================== Files 362 362 Lines 25296 25341 +45 ========================================== + Hits 19737 19787 +50 + Misses 4047 4038 -9 - Partials 1512 1516 +4 ```

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