feat(FileInput): accept prop support * 4

Author: tenphi

src/components/forms/FileInput/FileInput.tsx

@@ -162,7 +162,7 @@ function FileInput(props: CubeFileInputProps, ref) {
       defaultValidationTrigger: 'onChange',
       valuePropsMapper: ({ value, onChange }) => ({
         onChange,
-        value: undefined,
+        value,
       }),
     },
   );