Use depends_on over load in lmod module files generated by Spack (#28352)

share/spack/templates/modules/modulefile.lua

@@ -62,12 +62,7 @@ setenv("LMOD_{{ name|upper() }}_VERSION", "{{ version_part }}")
 
 {% block autoloads %}
 {% for module in autoload %}
-if not isloaded("{{ module }}") then
-{% if verbose %}
-    LmodMessage("Autoloading {{ module }}")
-{% endif %}
-    load("{{ module }}")
-end
+depends_on("{{ module }}")
 {% endfor %}
 {% endblock %}