feat(input): add the large size for the ionic theme (#29249)

Issue number: internal

---------

## What is the current behavior?
Input does not have a size property.

## What is the new behavior?
<!-- Please describe the behavior or changes that are being added by
this PR. -->

- Adds the `size` property with support for the `"large"` size on the
`"ionic"` theme only
- Adds tests for the size property
- Note: the screenshots will not look right until the fill styles are
added

## Does this introduce a breaking change?

- [ ] Yes
- [x] No

packages/vue/src/proxies.ts

@@ -427,6 +427,7 @@ export const IonInput = /*@__PURE__*/ defineContainer<JSX.IonInput, JSX.IonInput
   'shape',
   'spellcheck',
   'step',
+  'size',
   'type',
   'value',
   'ionInput',