Move timelines between collections (#21569)

frontend/src/metabase/containers/ItemPicker.jsx

frontend/src/metabase/entities/timelines.js

frontend/src/metabase/lib/urls.js

.../components/TimelineDetailsModal/TimelineDetailsModal.tsx

...ctions/containers/MoveTimelineModal/MoveTimelineModal.tsx

...melines/collections/containers/MoveTimelineModal/index.ts

.../containers/TimelineDetailsModal/TimelineDetailsModal.tsx

frontend/src/metabase/timelines/collections/routes.tsx

...ommon/components/MoveEventModal/MoveEventModal.styled.tsx

...components/MoveTimelineModal/MoveTimelineModal.styled.tsx

...common/components/MoveTimelineModal/MoveTimelineModal.tsx

...se/timelines/common/components/MoveTimelineModal/index.ts

.../test/metabase/scenarios/collections/timelines.cy.spec.js

src/metabase/api/timeline.clj