Issue #2752915 by mohit_aghera, davic, Haza, pashupathi nath gajawada, chr.fritsch, ifrik, webchick, j2r: Rename "Add page" to "Add search page"

Issue #2752267 by Anicky, handrus, davic, Sagar Ramgade, tstoeckler: Drupal\node\Entity\Node::access() is dead code