Resolve "Minor bug fixes"

client/src/actions/competitionLogin.test.ts

client/src/actions/competitionLogin.ts

client/src/interfaces/ApiModels.ts

client/src/interfaces/ApiRichModels.ts

client/src/pages/admin/AdminPage.tsx

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

client/src/pages/admin/regions/Regions.tsx

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

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

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

...ges/presentationEditor/components/CompetitionSettings.tsx

...r/components/slideSettingsComponents/QuestionSettings.tsx

...onEditor/components/slideSettingsComponents/SlideType.tsx

...tationEditor/components/slideSettingsComponents/Timer.tsx

client/src/pages/presentationEditor/components/styled.tsx

client/src/pages/presentationEditor/styled.tsx

client/src/pages/views/JudgeViewPage.tsx

client/src/pages/views/OperatorViewPage.tsx

client/src/pages/views/TeamViewPage.tsx

client/src/pages/views/ViewSelectPage.tsx