Fix spack load in case there are multiple definitions of bzip2

templates/common/build_icon.sh

@@ -44,7 +44,7 @@ if [ ! -f "${definitions_tar_file}" ]; then
 
   if [ ! $(rpm -qa | grep bzip2) ]; then
     spack install bzip2
-    spack load bzip2
+    spack load --first bzip2
   fi
 
   # Decompress definitions file