CRM/Contact - Refactor unnecessary uses of CRM_Utils_Array::value

CRM/Contact/BAO/GroupNesting.php

CRM/Contact/BAO/Query.php

CRM/Contact/Form/Contact.php

CRM/Contact/Form/Edit/Address.php

CRM/Contact/Form/Inline/CommunicationPreferences.php

CRM/Contact/Form/Relationship.php

CRM/Contact/Form/Search.php

CRM/Contact/Form/Search/Criteria.php

CRM/Contact/Form/Task.php

CRM/Contact/Form/Task/EmailTrait.php

CRM/Contact/Form/Task/Label.php

CRM/Contact/Page/View/Vcard.php