**Summary**: This issue is used to track the iteration tasks of feature `Multi-components workload scheduling` described at #5115. See [proposal](https://github.com/karmada-io/karmada/blob/master/docs/proposals/scheduling/multi-podtemplate-support/multiple-pod-template-support.md) for more details. **Iteration Tasks -- Part-1: XXX**: - [ ] TBD
