Entity reference 7.x-1.6

There may be some commits from https://www.drupal.org/project/entityreference/releases/7.x-1.6-rc3 which are good to incorporate here.

Includes these commits:

Changes made since 7.x-1.6-rc2 #1423778: Fatal error loading EntityReference_SelectionHandler_Broken

Changes made since 7.x-1.6-rc1 PHP 8.0, 8.1 and PHP 8.2 compatibility added. #3334678: PHP 8.2 compatibility fix #3330366: PHP 8 Deprecated function: class_exists(): Passing null to parameter #1 #2043161: Notice: Undefined property: entityreference_plugin_display::$id_field_alias in entityreference_plugin_style->render() #2880772: "Show links" field formatter settings not respected for Rendered entity #1411304: Autocomplete hide id options for use with unique labels #3256414: Notice: Trying to access array offset on value of type null in entityreference_field_views_data_views_data_alter() #1702172: Saving allowed even when input is not valid in autocomplete results

Changes made between 7.x-1.5 and 7.x-1.6-rc1

view commit • Issue #2236527 by nithinkolekar, jgullstr, minorOffense, senzaesclusiva: Option to hide title on rendered entities implementing EntityAPIControllerInterface view commit • Issue #2170193 by daniel_j, dasginganinja: Paths to included files are missing view commit • Issue #2889758 by volkswagenchick: Grammar issue in .module file view commit • Issue #2938466 by StijnStroobants, riddhi.addweb: Different syntax for update hooks view commit • Issue #2902162 by volkswagenchick: README could use some helpful configuration view commit • Issue #2992351 by ram4nd: Fix a typo "... get more tokens and display available once." view commit • Issue #2879941 by hgoto, sco_tt: Error while performing database update for Entity Reference