fix(FileUploader):  fix FileUploader to use it to upload multiple files , resolves #845 (#1013)
fix(FileUploader):  fix FileUploader to use it to upload multiple files , resolves #845 (#1013)


carbon-design-system/carbon-components,carbon-design-system/carbon-components-react,carbon-design-system/carbon-components-react,joshblack/carbon-components-react,carbon-design-system/carbon-components,joshblack/carbon-components-react,carbon-design-system/carbon-components