[mono][wasm] Include NativeLibrary items to the NativeFileReference items (dotnet#101532)

* Include NativeLibary and add test case

* Move to common place

* Ignore missing NativeLibraries

* Move items copying into target

Author: mkhamoyan

src/mono/wasm/Wasm.Build.Tests/NativeLibraryTests.cs

@@ -136,5 +136,36 @@ public static int Main()
             string cryptoInitMsg = "MONO_WASM: Initializing Crypto WebWorker";
             Assert.DoesNotContain(cryptoInitMsg, output);
         }
+
+        [Theory]
+        [BuildAndRun(aot: false)]
+        [BuildAndRun(aot: true)]
+        public void ProjectWithNativeLibrary(BuildArgs buildArgs, RunHost host, string id)
+        {
+            string projectName = $"AppUsingNativeLibrary-a";
+            buildArgs = buildArgs with { ProjectName = projectName };
+            buildArgs = ExpandBuildArgs(buildArgs, extraItems: "<NativeLibrary Include=\"native-lib.o\" />\n<NativeLibrary Include=\"DoesNotExist.o\" />");
+
+            if (!_buildContext.TryGetBuildFor(buildArgs, out BuildProduct? _))
+            {
+                InitPaths(id);
+                if (Directory.Exists(_projectDir))
+                    Directory.Delete(_projectDir, recursive: true);
+
+                Utils.DirectoryCopy(Path.Combine(BuildEnvironment.TestAssetsPath, "AppUsingNativeLib"), _projectDir);
+                File.Copy(Path.Combine(BuildEnvironment.TestAssetsPath, "native-libs", "native-lib.o"), Path.Combine(_projectDir, "native-lib.o"));
+            }
+
+            BuildProject(buildArgs,
+                            id: id,
+                            new BuildProjectOptions(DotnetWasmFromRuntimePack: false));
+
+            string output = RunAndTestWasmApp(buildArgs, buildDir: _projectDir, expectedExitCode: 0,
+                                test: output => {},
+                                host: host, id: id);
+
+            Assert.Contains("print_line: 100", output);
+            Assert.Contains("from pinvoke: 142", output);
+        }
     }
 }

src/mono/wasm/build/WasmApp.Common.targets

@@ -297,6 +297,11 @@
       <_WasmShouldAOT Condition="'$(_WasmShouldAOT)' == ''">false</_WasmShouldAOT>
     </PropertyGroup>
 
+    <ItemGroup>
+      <_ExistingNativeLibrary Include="@(NativeLibrary->Exists())" />
+      <NativeFileReference Include="@(_ExistingNativeLibrary->'%(Identity)')" />
+    </ItemGroup>
+
     <ItemGroup Condition="'$(MicrosoftNetCoreAppRuntimePackRidLibTfmDir)' == ''">
       <!-- find the path with the assemblies, so we don't have to hardcode the tfm.
            Cannot use System.Private.Corelib since that is in a different directory -->