fix(nns): validate dissolve state and age before saving neuron (#2222) #549

Job	Run time
Bazel System Test Hotfix	24m 17s
Bazel System Test Nightly	39m 34s
Bazel System Test Staging	16m 32s
Dependency Scan for Release	3m 7s
Setting up guest os qualification pipeline	8s
CI Main / Bazel Test All	28m 7s
CI Main / Bazel Build All Config Check	4m 47s
CI Main / Bazel Build Fuzzers	2m 9s
CI Main / Bazel Test macOS Intel	1h 54m 23s
CI Main / Bazel Build Fuzzers AFL	2m 24s
CI Main / Build IC	19m 28s
CI Main / Python CI Tests	2m 5s
CI Main / Cargo Build Release Linux	22s
CI Main / Cargo Clippy Linux	23s
CI Main / Bazel Test Coverage	0s
Qualifying a6ef5933e981873fdbdbbed4cd1eae02e2917aa6 -> f2b767f15611fe8594a76cf21250e26524b07615	1h 27m 9s
Qualifying 8ac632c8e45181ac8e7ce04fbfe1e01e6cbd239b -> f2b767f15611fe8594a76cf21250e26524b07615	1h 28m 7s
Qualifying 75dd48c38f296fc907c269263f96633fa8a29d0e -> f2b767f15611fe8594a76cf21250e26524b07615	1h 28m 25s
CI Main / Build Determinism (//publish/binaries:upload, release, build-ic/release, false)	46s
CI Main / Build Determinism (//publish/canisters:upload, canisters, build-ic/canisters, false)	32s
CI Main / Build Determinism (//ic-os/guestos/envs/prod:upload_disk-img, guest-os/update-img, build-ic/icos/...	36s
CI Main / Build Determinism (//ic-os/hostos/envs/prod:upload_update-img, host-os/update-img, build-ic/icos/...	32s
CI Main / Build Determinism (//ic-os/setupos/envs/prod:upload_disk-img, setup-os/disk-img, build-ic/icos/se...	30s
	8h 44m 23s

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