Support adding additional error handling to generated actors #2506

Job	Run time
build	1m 47s
test-slow (net8.0, tests/Proto.Cluster.Tests/*.csproj)	1m 19s
test-fast (tests/Proto.Actor.Tests/*.csproj)	1m 48s
test-slow (net8.0, tests/Proto.Cluster.PartitionIdentity.Tests/*.csproj)	1m 4s
test-fast (tests/Proto.Remote.Tests/*.csproj)	1m 14s
test-slow (net8.0, tests/Proto.Cluster.RedisIdentity.Tests/*.csproj)	1m 19s
test-slow (net8.0, tests/Proto.Cluster.PubSub.Tests/*.csproj)	1m 20s
test-fast (tests/Proto.OpenTelemetry.Tests/*.csproj)	1m 0s
test-fast (tests/Proto.Cluster.CodeGen.Tests/*.csproj)	28s
test-slow (net7.0, tests/Proto.Cluster.Tests/*.csproj)	1m 19s
test-slow (net7.0, tests/Proto.Cluster.PartitionIdentity.Tests/*.csproj)	1m 5s
test-slow (net7.0, tests/Proto.Cluster.RedisIdentity.Tests/*.csproj)	1m 20s
test-slow (net7.0, tests/Proto.Cluster.PubSub.Tests/*.csproj)	1m 16s
test-slow (net6.0, tests/Proto.Cluster.Tests/*.csproj)	1m 20s
test-slow (net6.0, tests/Proto.Cluster.PartitionIdentity.Tests/*.csproj)	1m 15s
test-slow (net6.0, tests/Proto.Cluster.RedisIdentity.Tests/*.csproj)	1m 21s
test-slow (net6.0, tests/Proto.Cluster.PubSub.Tests/*.csproj)	1m 21s
	21m 36s

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