IGAPP-896: Create a static mock for styled-components

[jira-to-github-migrator-test[bot]]

sarahsporck - 24.1.2022, 14:09:28

Create a static mock for  styled components like this:

jest.mock('styled-components', () => ({ 
    ...jest.requireActual('styled-components'), 
    useTheme: () =>mockTheme 
}))

  Then replace all occurences of this by jest.mock('styled-components')

Environment: - Linked issues: