Resolve "Fix client interfaces"

client/src/actions/competitions.ts

client/src/actions/searchUser.ts

client/src/actions/user.ts

client/src/interfaces/AdminLoginData.ts

client/src/interfaces/ApiModels.ts

client/src/interfaces/ApiRichModels.ts

client/src/interfaces/City.ts

client/src/interfaces/Competition.ts

client/src/interfaces/CompetitionFilterParams.ts

client/src/interfaces/FilterParams.ts

client/src/interfaces/FormModels.ts

client/src/interfaces/Role.ts

client/src/interfaces/SearchUserFilterParams.ts

client/src/pages/admin/AdminPage.tsx

client/src/pages/admin/components/AddCompetition.tsx

client/src/pages/admin/components/AddRegion.tsx

client/src/pages/admin/components/AddUser.tsx

client/src/pages/admin/components/CompetitionManager.tsx

client/src/pages/admin/components/UserManager.tsx

client/src/pages/login/components/AdminLogin.tsx