[REF]: Refactor files-ui directory

Author: JinSSJ3

src/files-ui/components/avatar/Avatar.scss renamed to src/files-ui/Avatar/Avatar.scss

@@ -2,11 +2,11 @@ import * as React from "react";
 import { mergeProps } from "../overridable/mergeProps";
 import { AvatarProps, defaultAvatarProps } from "./AvatarProps";
 import "./Avatar.scss";
-import InputHidden from "../input-hidden/InputHidden";
+import InputHidden from "../InputHidden/InputHidden";
 import { useAvatarStyle } from "./useAvatarStyle";
-import { ImagePreview } from "../previews";
 import InfiniteLoader from "../loader/InfiniteLoader/InfiniteLoader";
-import Layer from "../file-mosaic/components/file-mosaic-layer/Layer";
+import Layer from "../FileMosaic/components/file-mosaic-layer/Layer";
+import ImagePreview from "../ImagePreview/ImagePreview";
 const Avatar: React.FC<AvatarProps> = (props: AvatarProps) => {
   const {
     readOnly,