fix(devtools): Fix expand button styling

[Liam-Tait]

Adds ExpandButton component for styling the expand button correctly (removes browser default styles)

Before:

After:

closes #3538

[vercel]

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Name	Status	Preview	Updated
react-query	✅ Ready (Inspect)	Visit Preview	Apr 22, 2022 at 6:03AM (UTC)

[codesandbox-ci]

This pull request is automatically built and testable in CodeSandbox.

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Latest deployment of this branch, based on commit 88b1a38:

Sandbox	Source
tannerlinsley/react-query: basic	Configuration
tannerlinsley/react-query: basic-typescript	Configuration
currying-star-iz28mx	Issue #3538

[codecov]

Codecov Report

Merging #3544 (88b1a38) into master (fab76e6) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master    #3544   +/-   ##
=======================================
  Coverage   96.35%   96.35%           
=======================================
  Files          45       45           
  Lines        2277     2278    +1     
  Branches      637      637           
=======================================
+ Hits         2194     2195    +1     
  Misses         80       80           
  Partials        3        3           

Impacted Files	Coverage Δ
src/devtools/Explorer.tsx	77.21% <100.00%> (+0.29%)	⬆️

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[tannerlinsley]

🎉 This PR is included in version 3.38.0 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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[tannerlinsley]

🎉 This PR is included in version 4.0.0-beta.14 🎉

The release is available on:

• npm package (@beta dist-tag)
• GitHub release

Your semantic-release bot 📦🚀