happi plugin: check for biological_parent attribute before parent attribute

[klauer]

whatrecord/whatrecord/plugins/happi.py

Lines 370 to 374 in 5cdd04c

	if sig.root is not root:
	# TODO: this would not work for nested GroupDevice components.
	dotted_name = ".".join((sig.root.attr_name, sig.dotted_name))
	else:
	dotted_name = sig.dotted_name