Fix tree shaking of TextField component

[devongovett]

Was missing a /*#__PURE__*/ comment on the forwardRef call, causing it to never be tree-shaken.

[rspbot]

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[rspbot]

## API Changes

unknown top level export { type: 'any' }
unknown top level export { type: 'any' }
unknown top level export { type: 'any' }
unknown top level export { type: 'any' }
unknown top level export { type: 'any', access: 'private' }
unknown top level export { type: 'any', access: 'private' }
unknown top level export { type: 'any' }
unknown top level export { type: 'any' }
unknown top level export { type: 'any' }
unknown top level export { type: 'any' }
unknown top level export { type: 'identifier', name: 'Column' }
unknown top level export { type: 'identifier', name: 'Column' }
unknown type { type: 'link' }
unknown type { type: 'link' }
unknown type { type: 'link' }
unknown type { type: 'link' }
unknown type { type: 'link' }
unknown type { type: 'link' }
unknown top level export { type: 'any' }
unknown top level export { type: 'any' }
unknown top level export { type: 'any' }
unknown top level export { type: 'any' }
unknown top level export { type: 'any' }
unknown top level export { type: 'any' }