Convert RefreshWidget to Mantine, CSS modules, and TS (#42768)

frontend/src/metabase/components/icons/CountdownIcon.tsx

frontend/src/metabase/css/core/colors.module.css

...nd/src/metabase/dashboard/components/DashboardActions.tsx

frontend/src/metabase/dashboard/components/RefreshWidget.jsx

...rc/metabase/dashboard/components/RefreshWidget.styled.tsx

...ents/RefreshWidget/RefreshOption/RefreshOption.module.css

.../components/RefreshWidget/RefreshOption/RefreshOption.tsx

...dashboard/components/RefreshWidget/RefreshOption/index.ts

...base/dashboard/components/RefreshWidget/RefreshWidget.tsx

...ashboard/components/RefreshWidget/RefreshWidgetTarget.tsx

.../src/metabase/dashboard/components/RefreshWidget/index.ts