Dotnet: Add modelServiceId support to SemanticKernelAgent #5146

Job	Run time
format	1m 32s
lint	1m 2s
mypy (./packages/autogen-core)	3m 31s
pyright (./packages/autogen-core)	1m 12s
pyright (./packages/agbench)	1m 3s
test (./packages/autogen-core)	1m 1s
mypy (./packages/agbench)	1m 10s
pyright (./packages/autogen-ext)	1m 8s
test (./packages/autogen-ext)	4m 26s
mypy (./packages/autogen-ext)	3m 14s
pyright (./packages/autogen-agentchat)	1m 10s
pyright (./packages/magentic-one-cli)	55s
mypy (./packages/autogen-agentchat)	1m 28s
mypy (./packages/magentic-one-cli)	1m 29s
check-proto-changes-python	1m 33s
docs (./packages/autogen-core)	1m 54s
test (./packages/autogen-agentchat)	1m 7s
docs-example-check (./packages/autogen-core)	3m 43s
markdown-code-lint	4m 7s
samples-code-check	1m 7s
test-grpc	1m 29s
codecov (./packages/autogen-core)	12s
codecov (./packages/autogen-ext)	8s
codecov (./packages/autogen-agentchat)	8s
codecov (autogen-ext-grpc)	15s
	40m 4s

Provide feedback