fix(styles): skip :has() selectors in createStyleMap

[dipakpatil025]

What

Fixes #11584

createStyleMap was incorrectly including classes from :has() selectors
in the style map. This caused transformStyleMap to inline those classes
unconditionally into every component instance.

For example, style-vega.css has:

.cn-card-content {
  @apply px-(--card-spacing);
}
.cn-card-content:has(> [data-slot=questionnaire-choices]) {
  @apply flex flex-col gap-3;
}

The CLI was generating:

className={cn("flex flex-col gap-3 px-(--card-spacing)", className)}

instead of the correct:

className={cn("px-(--card-spacing)", className)}

Why

:has() selectors are conditional — they apply only when the element
contains specific children. They cannot be represented as a static Tailwind
class name. The fix skips any selector containing a :has pseudo-class
during style map construction so the styles remain in CSS where the
condition is respected.

Changes

- packages/shadcn/src/styles/create-style-map.ts — skip :has() selectors
- packages/shadcn/src/styles/create-style-map.test.ts — regression test

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