fix: check tenant in findOrCreatePage seed script

[cweseloh]

Description

The FindOrCreatePage seed script did not check the tenant so only the first page is created since all pages have the same "home" slug

• [X] I have read and understand the CONTRIBUTING.md document in this repository.

Type of change

• [X] Bug fix (non-breaking change which fixes an issue)

Checklist:

• [ ] I have added tests that prove my fix is effective or that my feature works
• [ ] Existing test suite passes locally with my changes
• [ ] I have made corresponding changes to the documentation

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