[REF]: Refactor files-ui directory

src/files-ui/Dropzone/components/dropzone/Dropzone.tsx

src/files-ui/Dropzone/components/dropzone/DropzoneProps.ts

...files-ui/Dropzone/components/dropzone/DropzoneRipple.scss

src/files-ui/Dropzone/index.ts

src/files-ui/FileCard/FileCard.scss

src/files-ui/FileCard/FileCard.tsx

src/files-ui/FileCard/FileCardProps.ts

src/files-ui/FileCard/components/FileCardInfoLayer.tsx

src/files-ui/FileCard/components/FileCardPaper.scss

src/files-ui/FileCard/components/FileCardRightActions.scss

src/files-ui/FileCard/components/FileCardRightActions.tsx

src/files-ui/FileCard/components/FileCardUploadLayer.scss

src/files-ui/FileCard/components/FileCardUploadLayer.tsx

src/files-ui/FileInputButton/FileInputButton.tsx

src/files-ui/FileInputButton/InputButtonProps.ts

src/files-ui/FileInputButton/index.ts

.../components/FIleMosaicImageLayer/FileMosaicImageLayer.tsx

...c/components/FileMosaicInfoLayer/FileMosaicInfoLayer.scss

...ic/components/FileMosaicInfoLayer/FileMosaicInfoLayer.tsx

...omponents/FileMosaicInfoLayer/FileMosaicInfoLayerProps.ts