[feature request] WorkloadSpread supports option to disable/ignore StatefulSet ordinal check

[Spground]

What would you like to be added:

Add label or field to give uses an option to disable StatefulSet ordinal checking in WorkloadSpread.

Why is this needed:

Generally speaking, Pods managed by StatefulSet has name with ordinal format. However, Pods will be delegated to other workload in some cases, which lead Pods haven't ordinal name conventions.

To skip ordinal checking, we need to give users an option.

Related codes:

kruise/pkg/util/workloadspread/workloadspread.go

Line 341 in 89d9558

case controllerKindSts.Kind: