BODC bad rendering Keywords that are list of DefinedTerm

[valentinedwv]

Describe the bug

1. Dataset page does not handle list of objects that are definedTerm
2. Also on the search page, query not retruning an keywords, or variable measured

https://oss.geocodes-aws-dev.earthcube.org/geocodes/summoned%2Fbodc%2Fffac803ba549b522c0897a8fde842bdbe4bbb113.jsonld

"keywords": 
[
{
"@type": 
"DefinedTerm",
"name": 
"Temperature of the water column",
"inDefinedTermSet": 
"https://vocab.nerc.ac.uk/collection/P02/current/",
"url": 
"https://vocab.nerc.ac.uk/collection/P02/current/TEMP/",
"@id": 
"https://vocab.nerc.ac.uk/collection/P02/current/TEMP/"
},
]