[Bug] useResizable recreates callbacks when snaps are omitted

[nynexman4464]

Problem

useResizable defaults snaps with an array literal during render:

const {snaps = []} = config;

When callers omit snaps, that produces a new array on every render. Because expand, resize, and onResizeMove depend on snaps, those callbacks are recreated too. The private _snaps value passed to ResizeHandle also changes identity even though the configuration did not change.

Proposed fix

Keep one empty snaps array per hook instance with useRef, and use it only when config.snaps is absent. Explicit caller-provided arrays keep their existing behavior.

Regression coverage

A hook test rerenders the same omitted-snaps configuration and verifies that:

• expand remains stable
• resize remains stable
• props._snaps remains stable

The test fails on current main and passes with the patch. Existing ResizeHandle behavior remains green.

This change intentionally does not memoize the entire useResizable return object; that broader optimization is not needed to fix the confirmed default-array defect.