Fix typo TabTtem -> TabItem

[jeffora]

There is a typo in the markdown generator code that is pulling in a TabTtem rather than a TabItem as expected.

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[sserrata]

Thanks for the PR @jeffora! I actually just noticed it after submitting a similar fix. I will close mine so we can merge yours instead.

It looks good but can you also please re-generate the API docs by running the following under the ./demo directory?

yarn docusaurus clean-api-docs all
yarn docusaurus clean-api-docs:version petstore_versioned:all
yarn docusaurus gen-api-docs all
yarn docusaurus gen-api-docs:version petstore_versioned:all

[sserrata]

On second thought, since I'm planning to work on updating docs, I'll merge as-is and follow up with another PR. Thanks!

[welcome-to-palo-alto-networks]

🎉 Congrats on getting your first pull request merged! We here at Palo Alto Networks are so grateful! ❤️

[jeffora]

Thanks for the fast turnaround!