Description of problem:
Channels cloned as Original via API and WebUI comprise different set of packages.

Version-Release number of selected component (if applicable):
spacewalk-java-2.0.2-79.el5sat
spacewalk-html-2.0.3-20

How reproducible:
Always.

Steps to Reproduce:
1. Sync rhel-x86_64-server-6 to Satellite:
    satellite-sync -c rhel-x86_64-server-6

2. Clone the channel as Original via WebIU:
   Channels -> Manage Software Channels -> Clone Channel ->  rhel-x86_64-server-6(Original state of the channel (no errata))

3. Clone the channel as Original via API:
   client = xmlrpclib.Server(RHN_SERVER, verbose=0)
   key = client.auth.login(RHN_USER, RHN_PASS)
   details_map = { 'name':'clone_api_rhel-x86_64-server-6', 'label':'clone_api_rhel-x86_64-server-6', 'summary':'clone_api_rhel_x86_64-server-6' }
   client.channel.software.clone(auth, 'rhel-x86_64-server-6', details_map, True)
  

Actual results:
Cloned via WebUI: 3435 rpm
Cloen via API : 3441 rpm

Expected results:
Cloned via WebUI: 3441 rpm
Cloen via API : 3441 rpm

Additional info:

Missing packages:
dracut-004-335.el6.noarch.rpm
dracut-fips-004-335.el6.noarch.rpm
dracut-kernel-004-335.el6.noarch.rpm
dracut-network-004-335.el6.noarch.rpm
psacct-6.3.2-63.el6_1.1.x86_64.rpm
yum-rhn-plugin-0.9.1-48.el6.noarch.rpm