Fix cmd permission levels for command blocks (#7404)

patches/server/Paper-config-files.patch

@@ -1917,6 +1917,13 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +        }
 +    }
 +
++    public CommandBlocks commandBlocks;
++
++    public class CommandBlocks extends ConfigurationPart {
++        public int permissionsLevel = 2;
++        public boolean forceFollowPermLevel = true;
++    }
++
 +    public Misc misc;
 +
 +    public class Misc extends ConfigurationPart {