Perf (useVirtual): mutate inner element styles only when items are updated

[wellyshen]

• perf (useVirtual): mutate inner element styles only when items are updated

[changeset-bot]

🦋 Changeset detected

Latest commit: 70d04ac

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

This PR includes changesets to release 1 package

Name	Type
react-cool-virtual	Patch

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[github-actions]

Size Change: -9 B (0%)

Total Size: 21 kB

Filename	Size	Change
dist/index.cjs.development.js	4.9 kB	+1 B (0%)
dist/index.cjs.production.min.js	2.99 kB	-6 B (0%)
dist/index.umd.development.js	5.07 kB	-1 B (0%)
dist/index.umd.production.min.js	3.08 kB	-3 B (0%)

ℹ️ View Unchanged

Filename	Size
dist/index.esm.js	4.84 kB
dist/index.js	136 B

_{compressed-size-action}

[coveralls]

Pull Request Test Coverage Report for Build 998451862

• 9 of 11 (81.82%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.1%) to 88.43%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/useVirtual.ts	9	11	81.82%

Totals
Change from base Build 996865897:	0.1%
Covered Lines:	265
Relevant Lines:	283

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💛 - Coveralls