fix: items not updated when itemCount changed

[wellyshen]

• fix: items not updated when itemCount changed

[changeset-bot]

🦋 Changeset detected

Latest commit: bf877cd

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: -86 B (0%)

Total Size: 19.2 kB

Filename	Size	Change
dist/index.cjs.development.js	4.47 kB	-18 B (0%)
dist/index.cjs.production.min.js	2.73 kB	-13 B (0%)
dist/index.esm.js	4.41 kB	-18 B (0%)
dist/index.umd.development.js	4.63 kB	-18 B (0%)
dist/index.umd.production.min.js	2.81 kB	-19 B (-1%)

ℹ️ View Unchanged

Filename	Size	Change
dist/index.js	136 B	0 B

_{compressed-size-action}

[coveralls]

Pull Request Test Coverage Report for Build 909432163

• 0 of 7 (0.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.05%) to 5.774%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/useVirtual.ts	0	7	0.0%

Totals
Change from base Build 909226466:	0.05%
Covered Lines:	17
Relevant Lines:	258

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💛 - Coveralls