webadmin: Fix name textbox size/alignment on Clone Vm From Snapshot

Change-Id: I2f865deab00cab1e56fd39e6b2f9a00f507c4a26
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1126215
Signed-off-by: Martin Betak <mbetak@redhat.com>
Signed-off-by: Greg Sheremeta <gshereme@redhat.com>