[wasm] Add interop code to the browser template (#72172)

[wasm] Add interop code to the browser template (#72172)

* [wasm] Add interop code to the browser template

* Try to use AnalyzerReference instead of ProjectReference

* Try to make the analyzer reference unconditional

* fix

* no namespace fix

* InstallWorkloadFromArtifacts: Update the targeting pack from the local

.. nugets.

* Wasm.Build.Tests: remove the app.ref fixup from the targets

* workload-testing.targets: Ensure that app.ref nuget is available

Co-authored-by: pavelsavara <pavel.savara@gmail.com>
Co-authored-by: Ankit Jain <radical@gmail.com>