[NETSDKE2E] The CodeLens disappear in razor/blazor project.

[yinjiehe01]

REGRESSION INFO

Works well on C# pre-release build 2.87.26

INSTALL STEPS

1.Repro OS: Linux
2.Install latest VSCode (latest released version 1.103.0).
3.Install SDK 10.0 Preview 6/SDK 9.0
4.Install C# main [2.88.28] and C#DK main [1.41.22]

REPRO STEPS

1.Create a blazor project and open it with VS Code.
2. Type the following code in page

@functions {
 void Foo()
 {
 }
}

@Foo()

4. Observe the CodeLens.

ACTUAL

The CodeLens disappear

EXPECTED

The CodeLens appears.

[davidwengier]

Dupe of dotnet/razor#12047, will be fixed by dotnet/razor#12078

[yinjiehe01]

Also repro on Pre-release build C# 2.89.19