Describe the PR

Implements form submission support for BFormRating by adding name and form props. When name is set, renders a hidden input that participates in form submission, following the pattern established in BFormSpinbutton.

Implementation

• Props: Added name?: string and form?: string to BFormRatingProps
• Hidden Input: Renders <input type="hidden"> when name is provided and component is not disabled
• Reactive Value: Hidden input bound to localValue, updates with all interactions (clicks, keyboard, clear)
• Tests: 7 new tests covering render conditions and value reactivity
• Docs: Updated formRating.data.ts with prop descriptions

Usage

<form @submit="handleSubmit">
  <BFormRating 
    v-model="rating" 
    name="product-rating"
    :stars="5" 
  />
  <button type="submit">Submit</button>
</form>

Form data includes: { "product-rating": "3" }

Small replication

PR checklist

What kind of change does this PR introduce?

• Bugfix 🐛 - fix(...)
• Feature - feat(...)
• ARIA accessibility - fix(...)
• Documentation update - docs(...)
• Other (please describe)

The PR fulfills these requirements:

• Pull request title and all commits follow the Conventional Commits convention or has an override in this pull request body

• Fixes BFromRating: Enable form submission #2894

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