… adapter

1. adapter.go: GetReplicaDetails returns pods in the subset
2. xxx_adapter.go: return pods implementation ⬆️
3. allocator.go: about safeReplica
4. pod_condition_utils.go: extract PodUnscheduledTimeout function from workloadwpread
5. reschedule.go: PodUnscheduledTimeout function extracted
6. subset.go: add some field to Subset object to carry related information
7. subset_control.go: store subset pods to Subset object
8. uniteddeployment_controller.go
   1. add requeue feature to check failed pods
   2. subset unschedulable status management
9. uniteddeployment_types.go: API change
10. uniteddeployment_update.go: sync unschedulable to CR

Signed-off-by: AiRanthem <[email protected]>

Signed-off-by: AiRanthem <[email protected]>