fix(compiler-vapor): preserve :is prop on normal components

[edison1105]

close #14488

Summary by CodeRabbit

• Tests

  • Added comprehensive test coverage for dynamic component :is binding behavior.

• Bug Fixes

  • Refined dynamic component property handling to correctly process the :is prop when used alongside static is attributes.

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@vue/compiler-core

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commit: 331efaf

[github-actions]

Size Report

Bundles

File	Size	Gzip	Brotli
compiler-dom.global.prod.js	86.4 kB	30.2 kB	26.6 kB
runtime-dom.global.prod.js	110 kB	41.6 kB	37.3 kB
vue.global.prod.js	169 kB	61.4 kB	54.7 kB

Usages

Name	Size	Gzip	Brotli
createApp (CAPI only)	50.3 kB	19.7 kB	17.9 kB
createApp	59.3 kB	23 kB	20.9 kB
createApp + vaporInteropPlugin	82.6 kB	30.7 kB	27.8 kB
createVaporApp	28.6 kB	11.1 kB	10.2 kB
createSSRApp	63.5 kB	24.7 kB	22.5 kB
createVaporSSRApp	32 kB	12.4 kB	11.4 kB
defineCustomElement	65.3 kB	24.8 kB	22.5 kB
defineVaporCustomElement	38.9 kB	14.4 kB	13.2 kB
overall	74.2 kB	28.3 kB	25.7 kB