feat(react): new component FileUpload

[oddvernes]

resolves #1236

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storybook - 27. Feb 2026 - 09:19

[oddvernes]

One issue I have encountered: because all the components are in one common @layer, placing FileUpload inside a Field causes .ds-field to overwrite styles on .ds-file-upload (being a label) due to usage of stronger selectors (:is()). For now I have solved this by repeating the class twice .ds-file-upload.ds-file-upload {} to get same specificity (0.2.0) and then it wins by being later in the css order.