[MNG-7055] Fix G level metadata handling in 3.9.x#691

cstamas merged 4 commits intomaven-3.9.xapache/maven:maven-3.9.xfrom

MNG-7055-g-level-md-mvn-39xapache/maven:MNG-7055-g-level-md-mvn-39xCopy head branch name to clipboard