Changed default value for source facts in source citations to NOT exp…

…anded

RepositoryHierarchy.php

@@ -637,7 +637,7 @@ public function getAdminAction(ServerRequestInterface $request): ResponseInterfa
  self::PREF_SHOW_DATE_RANGE => boolval($this->getPreference(self::PREF_SHOW_DATE_RANGE, '1')),
  self::PREF_ALLOW_ADMIN_DELIMITER => boolval($this->getPreference(self::PREF_ALLOW_ADMIN_DELIMITER, '1')),
  self::PREF_SHOWN_SOURCE_FACTS_IN_CITATIONS => $this->getPreference(self::PREF_SHOWN_SOURCE_FACTS_IN_CITATIONS, implode(',', self::$ALL_SOURCE_FACTS_IN_CITATIONS->keys()->toArray())),
- self::PREF_EXPANDED_SOURCE_FACTS_IN_CITATIONS => $this->getPreference(self::PREF_EXPANDED_SOURCE_FACTS_IN_CITATIONS, implode(',', self::$EXPANDABLE_SOURCE_FACTS_IN_CITATIONS->keys()->toArray())),
+ self::PREF_EXPANDED_SOURCE_FACTS_IN_CITATIONS  => $this->getPreference(self::PREF_EXPANDED_SOURCE_FACTS_IN_CITATIONS, ''),
  self::PREF_SHOW_MEDIA_AFTER_CITATIONS => boolval($this->getPreference(self::PREF_SHOW_MEDIA_AFTER_CITATIONS, '0')),
  self::PREF_ENABLE_COPY_PASTE_CITATIONS => boolval($this->getPreference(self::PREF_ENABLE_COPY_PASTE_CITATIONS, '0')),
  self::PREF_SHOW_FINDING_AID_CATEGORY_TITLE => boolval($this->getPreference(self::PREF_SHOW_FINDING_AID_CATEGORY_TITLE, '0')),