[browser] Fix building with satellite assemblies coming from nuget package containing multiple cultures

[maraf]

Affected SDK test: Microsoft.NET.Sdk.BlazorWebAssembly.Tests.WasmBuildIntegrationTest.Build_SatelliteAssembliesAreCopiedToBuildOutput
Regression from 591f6f7 in src/tasks/Microsoft.NET.Sdk.WebAssembly.Pack.Tasks/ComputeWasmBuildAssets.cs
Reproduction: Reference a nuget package containing multiple cultures for satellite assembly
Re-enable SDK test when the change flows to SDK

[dotnet-policy-service]

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