[v4] show tabs even there is only 1 tab

[dimaMachina]

it's hard to find Add tab when there is only 1 tab

I think we should follow Chrome UX and show tabs even when there is 1 tab

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: e94f5c9b7a9e9996c76f4407ee258aac87c98c56

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

| Name | Type | | -------- | ----- | | graphiql | Major |

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[codecov[bot]]

Codecov Report

Attention: Patch coverage is 75.00000% with 4 lines in your changes missing coverage. Please review.

Project coverage is 67.57%. Comparing base (1a6d63d) to head (e94f5c9).

Files	Patch %	Lines
packages/graphiql/src/components/GraphiQL.tsx	75.00%	4 Missing :warning:

Additional details and impacted files

[](https://app.codecov.io/gh/graphql/graphiql/pull/3713?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=graphql) ```diff @@ Coverage Diff @@ ## graphiql-v4 #3713 +/- ## =============================================== - Coverage 67.60% 67.57% -0.03% =============================================== Files 121 121 Lines 6960 6955 -5 Branches 2244 2222 -22 =============================================== - Hits 4705 4700 -5 Misses 2238 2238 Partials 17 17 ``` | [Files](https://app.codecov.io/gh/graphql/graphiql/pull/3713?dropdown=coverage&src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=graphql) | Coverage Δ | | |---|---|---| | [packages/graphiql/src/components/GraphiQL.tsx](https://app.codecov.io/gh/graphql/graphiql/pull/3713?src=pr&el=tree&filepath=packages%2Fgraphiql%2Fsrc%2Fcomponents%2FGraphiQL.tsx&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=graphql#diff-cGFja2FnZXMvZ3JhcGhpcWwvc3JjL2NvbXBvbmVudHMvR3JhcGhpUUwudHN4) | `77.72% <75.00%> (-0.52%)` | :arrow_down: |

[github-actions[bot]]

The latest changes of this PR are not available as canary, since there are no linked changesets for this PR.