CI - Fix NuGet smoketest dependencies (#3557)

# Description of Changes

I missed some dependencies in
#3466. It became
apparent in #3550.

# API and ABI breaking changes

None

# Expected complexity level and risk

1

# Testing

- [x] Smoketests pass in
#3550 now.

Co-authored-by: Zeke Foppa <bfops@users.noreply.github.com>

Author: bfops

smoketests/tests/quickstart.py

@@ -309,6 +309,19 @@ def sdk_setup(self, path: Path):
             source_dir=(STDB_DIR / "crates/bindings-csharp/BSATN.Runtime").absolute(),
             build_subdir="bin/Release"
         )
+        # This one is only needed because the regression-tests subdir uses it
+        override_nuget_package(
+            project_dir=STDB_DIR/"sdks/csharp",
+            package="SpacetimeDB.Runtime",
+            source_dir=(STDB_DIR / "crates/bindings-csharp/Runtime").absolute(),
+            build_subdir="bin/Release"
+        )
+        override_nuget_package(
+            project_dir=path,
+            package="SpacetimeDB.BSATN.Runtime",
+            source_dir=(STDB_DIR / "crates/bindings-csharp/BSATN.Runtime").absolute(),
+            build_subdir="bin/Release"
+        )
         override_nuget_package(
             project_dir=path,
             package="SpacetimeDB.ClientSDK",
@@ -324,6 +337,12 @@ def server_postprocess(self, server_path: Path):
             source_dir=(STDB_DIR / "crates/bindings-csharp/Runtime").absolute(),
             build_subdir="bin/Release"
         )
+        override_nuget_package(
+            project_dir=server_path,
+            package="SpacetimeDB.BSATN.Runtime",
+            source_dir=(STDB_DIR / "crates/bindings-csharp/BSATN.Runtime").absolute(),
+            build_subdir="bin/Release"
+        )
 
     def test_quickstart(self):
         """Run the C# quickstart guides for server and client."""