some necklace pendant implications

BUR #20998 has been approved by @nonamethanks.

create implication ring_necklace -> ring
create implication key_necklace -> key
create implication shell_necklace -> shell
create implication crescent_necklace -> crescent

followup to forum #215292

The bulk update request #20998 (forum #259018) has been approved by @nonamethanks.