Tests refactoring: Paginator element

[FursovaKate]

Should be done ONLY AFTER https://github.com/jdi-testing/jdi-light/issues/4925 Tests should be added to cover features:

• [x] firstPageLabel: string
• [x] lastPageLabel: string
• [x] color: ThemePalette
• [x] disabled: boolean
• [x] hidePageSize: boolean
• [x] length: number
• [x] pageIndex: number
• [x] showFirstLastButtons: boolean

[AlexeyGirin]

Договорились использовать Дропдаун вместо Селекта