Metadata component is missing entries for hashes etc

[danhallin]

When generating a bom the metadata component does not get assigned the same values as entries in component list.

Steps to reproduce

git clone https://github.com/CycloneDX/cyclonedx-gradle-plugin.git
cd cyclonedx-gradle-plugin
./gradlew cyclonedxbom
cat build/reports/bom.json

Expected result

metadata.component should contain entries for hashes / description / licenses / purl

Actual result

metadata.component does not contain entries for hashes / description / licenses / purl