The Search Page does not have a search box

The Google powered search box is not shown on the Apache version of the Groovy website:
https://groovy.apache.org/search.html

It is currently blocked by CSP

This one works:
https://groovy-lang.org/search.html

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The Apache Grails website currently has the same issue https://github.com/apache/grails-static-website/issues/398