[Bug Fix] Render fragment for empty Discriminator Tabs children

[blindaa121]

Description

This PR addresses the following issue for page crashes due to non-rendering TabItem components:

Motivation and Context

See #1086 for context.

How Has This Been Tested?

Tested with example spec provided in #1086 and navigating to /get-series-list path.

Screenshots (if appropriate)

Types of changes

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

Checklist

• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes if appropriate.
• All new and existing tests passed.

[github-actions]

Size Change: -11.1 kB (-0.55%)

Total Size: 2 MB

Filename	Size	Change
demo/build/petstore/schemas/cat/index.html	34.9 kB	-1.92 kB (-5.22%)	✅
demo/build/petstore/schemas/dog/index.html	35.2 kB	-2.07 kB (-5.57%)	✅
demo/build/petstore/schemas/honeybee/index.html	35.2 kB	-2.04 kB (-5.48%)	✅
demo/build/petstore/schemas/pet/index.html	34.2 kB	-2.53 kB (-6.89%)	✅
demo/build/petstore/schemas/user/index.html	42.3 kB	-2.53 kB (-5.64%)	✅

ℹ️ View Unchanged

Filename	Size
demo/.docusaurus/codeTranslations.json	2 B
demo/.docusaurus/docusaurus.config.mjs	13.9 kB
demo/.docusaurus/globalData.json	40.7 kB
demo/.docusaurus/i18n.json	267 B
demo/.docusaurus/registry.js	59.9 kB
demo/.docusaurus/routes.js	55.4 kB
demo/.docusaurus/routesChunkNames.json	23 kB
demo/.docusaurus/site-metadata.json	1.35 kB
demo/build/assets/css/styles.********.css	146 kB
demo/build/assets/js/main.********.js	672 kB
demo/build/assets/js/runtime~main.********.js	15.8 kB
demo/build/index.html	91.1 kB
demo/build/petstore/add-pet/index.html	27.5 kB
demo/build/petstore/create-user/index.html	21.6 kB
demo/build/petstore/create-users-with-array-input/index.html	21.6 kB
demo/build/petstore/create-users-with-list-input/index.html	21.6 kB
demo/build/petstore/delete-order/index.html	21.6 kB
demo/build/petstore/delete-pet/index.html	21.7 kB
demo/build/petstore/delete-user/index.html	21.9 kB
demo/build/petstore/find-pets-by-status/index.html	22.3 kB
demo/build/petstore/find-pets-by-tags/index.html	23 kB
demo/build/petstore/get-inventory/index.html	20.9 kB
demo/build/petstore/get-order-by-id/index.html	21.9 kB
demo/build/petstore/get-pet-by-id/index.html	22.5 kB
demo/build/petstore/get-user-by-name/index.html	22 kB
demo/build/petstore/login-user/index.html	22.5 kB
demo/build/petstore/logout-user/index.html	21.3 kB
demo/build/petstore/new-pet/index.html	21.9 kB
demo/build/petstore/pet/index.html	23.6 kB
demo/build/petstore/place-order/index.html	21.1 kB
demo/build/petstore/schemas/apiresponse/index.html	22.9 kB
demo/build/petstore/schemas/category/index.html	24 kB
demo/build/petstore/schemas/id/index.html	21 kB
demo/build/petstore/schemas/order/index.html	25.1 kB
demo/build/petstore/schemas/tag/index.html	22.4 kB
demo/build/petstore/store/index.html	21.6 kB
demo/build/petstore/subscribe-to-the-store-events/index.html	27.9 kB
demo/build/petstore/swagger-petstore-yaml/index.html	28 kB
demo/build/petstore/update-pet-with-form/index.html	21.8 kB
demo/build/petstore/update-pet/index.html	22.3 kB
demo/build/petstore/update-user/index.html	21.9 kB
demo/build/petstore/upload-file/index.html	21.7 kB
demo/build/petstore/user/index.html	22.5 kB

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[github-actions]

Visit the preview URL for this PR (updated for commit 28b0ca8):

https://docusaurus-openapi-36b86--pr1099-1ta40tzb.web.app

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[wborn]

It would be nice to have this fixed. 👍
We also ran into this issue, see also #976 that is similar to #1086.