Fix infinite scroll bugs: clickable items and page reload

- Fix items becoming unclickable during page loading by removing
  isLoadingMore from DataViews isLoading prop. Items on page 1 now
  remain clickable while page 2+ is loading.

- Fix page reload behavior for infinite scroll by not persisting the
  paged URL parameter when infinite scroll is enabled. Reloading now
  always starts from page 1, following standard infinite scroll UX.

- Fix selection cleanup to check allLoadedRecords instead of feed to
  prevent premature selection clearing during page transitions.

- Remove actor switching effect that was causing infinite update loop
  due to normalizedView creating new object references on every render.

Author: obenland