onos-consensus-store went into `CrashLoopBackOff` after `GKE` node restart.

[praj527]

Issue description:
We observed that after GKE node restart the onos-consensus-store went into CrashLoopBackOff, we have enabled the PersistentVolume for onos-consensus-store.

onos-consensus-store logs:

2023-02-28T09:06:40.986Z        INFO    github.com/atomix/runtime/sdk/pkg/protocol/statemachine v1/statemachine.go:119  Recovering Map from snapshot    {"Service": "atomix.runtime.map.v1.Map", "Primitive": 4, "Namespace": "aether-roc", "Profile": "", "Name": "configurations"}
2023-02-28T09:06:40.986Z        INFO    github.com/atomix/runtime/sdk/pkg/protocol/statemachine v1/statemachine.go:119  Recovering Map from snapshot    {"Service": "atomix.runtime.map.v1.Map", "Primitive": 11, "Namespace": "aether-roc", "Profile": "", "Name": "onos-topo-objects"}
2023-02-28T09:06:40.986Z        INFO    github.com/atomix/runtime/sdk/pkg/protocol/statemachine v1/statemachine.go:152  Recovering IndexedMap from snapshot     {"Service": "atomix.runtime.indexedmap.v1.IndexedMap", "Primitive": 2, "Namespace": "aether-roc", "Profile": "", "Name": "transactions"}
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x8 pc=0xd813f2]

goroutine 366 [running]:
github.com/atomix/runtime/primitives/pkg/indexedmap/v1.(*IndexedMapEntry).Reset(0x10505e0?)
        github.com/atomix/runtime/primitives@v0.7.8/pkg/indexedmap/v1/indexedmap.pb.go:1277 +0x12
github.com/gogo/protobuf/proto.Unmarshal({0xc0012c0000, 0x559e8, 0x559e8}, {0x147fa60, 0xc000124bd0})
        github.com/gogo/protobuf@v1.3.2/proto/decode.go:335 +0x3d
github.com/atomix/runtime/sdk/pkg/protocol/statemachine.(*SnapshotReader).ReadMessage(0x0?, {0x147fa60, 0xc000124bd0})

[onos-consensus-store-0.log](https://github.com/onosproject/onos-config/files/10849855/onos-consensus-store-0.log) [onos-consensus-store-1.log](https://github.com/onosproject/onos-config/files/10849860/onos-consensus-store-1.log) [onos-consensus-store-2.log](https://github.com/onosproject/onos-config/files/10849861/onos-consensus-store-2.log)

Helm Chart Version:

• Atomix-runtime-0.1.9
• Onos-operator-0.5.6
• Onos-topo-1.4.5
• Onos-cli-1.3.13
• Onos-config-1.8.5