[REF]: Refactor files-ui directory

src/files-ui/core/file-manager/reconcilation.ts

src/files-ui/core/index.d.ts

src/files-ui/core/index.es.js

src/files-ui/core/index.es.js.map

src/files-ui/core/index.js

src/files-ui/core/index.js.map

src/files-ui/core/index.ts

...tion/Chinese-simplified/localization.simplifiedChinese.ts

...on/Chinese-traditional/localization.traditionalChinese.ts

...iles-ui/core/localization/English/localization.english.ts

src/files-ui/core/localization/FileItem.localization.ts

src/files-ui/core/localization/French/localization.french.ts

...iles-ui/core/localization/Italian/localization.italian.ts

...i/core/localization/Portuguese/localization.portuguese.ts

...iles-ui/core/localization/Russian/localization.russian.ts

...iles-ui/core/localization/Spanish/localization.spanish.ts

src/files-ui/core/localization/avatar.localization.ts

src/files-ui/core/localization/dropzone.localization.ts

src/files-ui/core/localization/index.ts

...iles-ui/core/localization/validationError.localization.ts