Adds MapIncomingProperty method to EnvelopeMapper - #2541

/home/runner/work/wolverine/wolverine/src/Wolverine/Middleware/TryCatchFinallyFrame.cs(177,17): warning CS8767: Nullability of reference types in type of parameter 'variable' of 'bool CatchBlockMethodVariables.TryFindVariableByName(Type dependency, string name, out Variable? variable)' doesn't match implicitly implemented member 'bool IMethodVariables.TryFindVariableByName(Type dependency, string name, out Variable? variable)' (possibly because of nullability attributes). [/home/runner/work/wolverine/wolverine/src/Wolverine/Wolverine.csproj::TargetFramework=net9.0]

/home/runner/work/wolverine/wolverine/src/Samples/OrderSagaSample/Program.cs(43,5): warning ASP0019: Use IHeaderDictionary.Append or the indexer to append or set headers. IDictionary.Add will throw an ArgumentException when attempting to add a duplicate key. (https://aka.ms/aspnet/analyzers) [/home/runner/work/wolverine/wolverine/src/Samples/OrderSagaSample/OrderSagaSample.csproj::TargetFramework=net9.0]

/home/runner/work/wolverine/wolverine/src/Persistence/Wolverine.Marten/Requirements/IMartenDataRequirement.cs(118,42): warning CS8604: Possible null reference argument for parameter 'id' in 'Task<bool> IBatchedQuery.CheckExists<TDoc>(object id)'. [/home/runner/work/wolverine/wolverine/src/Persistence/Wolverine.Marten/Wolverine.Marten.csproj::TargetFramework=net9.0]

/home/runner/work/wolverine/wolverine/src/Persistence/Wolverine.Marten/Requirements/IMartenDataRequirement.cs(65,42): warning CS8604: Possible null reference argument for parameter 'id' in 'Task<bool> IBatchedQuery.CheckExists<TDoc>(object id)'. [/home/runner/work/wolverine/wolverine/src/Persistence/Wolverine.Marten/Wolverine.Marten.csproj::TargetFramework=net9.0]

/home/runner/work/wolverine/wolverine/src/Persistence/Wolverine.Marten/Requirements/IMartenDataRequirement.cs(40,59): warning CS8604: Possible null reference argument for parameter 'id' in 'Task<bool> IQuerySession.CheckExistsAsync<TDoc>(object id, CancellationToken token = default(CancellationToken))'. [/home/runner/work/wolverine/wolverine/src/Persistence/Wolverine.Marten/Wolverine.Marten.csproj::TargetFramework=net9.0]

/home/runner/work/wolverine/wolverine/src/Persistence/Wolverine.Marten/Requirements/IMartenDataRequirement.cs(93,59): warning CS8604: Possible null reference argument for parameter 'id' in 'Task<bool> IQuerySession.CheckExistsAsync<TDoc>(object id, CancellationToken token = default(CancellationToken))'. [/home/runner/work/wolverine/wolverine/src/Persistence/Wolverine.Marten/Wolverine.Marten.csproj::TargetFramework=net9.0]

/home/runner/work/wolverine/wolverine/src/Persistence/Wolverine.Marten/Persistence/Sagas/MartenPersistenceFrameProvider.cs(131,17): warning CS8767: Nullability of reference types in type of parameter 'result' of 'bool MartenPersistenceFrameProvider.TryBuildFetchSpecificationFrame(Variable specVariable, IServiceContainer container, out Frame? frame, out Variable? result)' doesn't match implicitly implemented member 'bool IPersistenceFrameProvider.TryBuildFetchSpecificationFrame(Variable specVariable, IServiceContainer container, out Frame? frame, out Variable? result)' (possibly because of nullability attributes). [/home/runner/work/wolverine/wolverine/src/Persistence/Wolverine.Marten/Wolverine.Marten.csproj::TargetFramework=net9.0]

/home/runner/work/wolverine/wolverine/src/Persistence/Wolverine.Marten/Persistence/Sagas/MartenPersistenceFrameProvider.cs(131,17): warning CS8767: Nullability of reference types in type of parameter 'frame' of 'bool MartenPersistenceFrameProvider.TryBuildFetchSpecificationFrame(Variable specVariable, IServiceContainer container, out Frame? frame, out Variable? result)' doesn't match implicitly implemented member 'bool IPersistenceFrameProvider.TryBuildFetchSpecificationFrame(Variable specVariable, IServiceContainer container, out Frame? frame, out Variable? result)' (possibly because of nullability attributes). [/home/runner/work/wolverine/wolverine/src/Persistence/Wolverine.Marten/Wolverine.Marten.csproj::TargetFramework=net9.0]

/home/runner/work/wolverine/wolverine/src/Wolverine/Runtime/Agents/IAgent.cs(32,27): warning CS1066: The default value specified for parameter 'cancellationToken' will have no effect because it applies to a member that is used in contexts that do not allow optional arguments [/home/runner/work/wolverine/wolverine/src/Wolverine/Wolverine.csproj::TargetFramework=net9.0]