fix(tuner): Don't copy the tuner binaries in the runtime tools folder

This avoids transient issues when upgrading the bootstrapper on the same runtime folder, while having tuner changes.

(cherry picked from commit c51731f)

src/Uno.Wasm.Bootstrap/ShellTask.cs

@@ -205,6 +205,8 @@ private FileNameObfuscationMode _assembliesFileNameObfuscationMode
 
 		public string? CustomLinkerPath { get; set; }
 
+		public string? WasmTunerBinPath { get; set; }
+
 		public string? PWAManifestFile { get; set; }
 
 		public bool EnableLongPathSupport { get; set; } = true;
@@ -884,6 +886,7 @@ private void RunPackager()
 				packagerParams.Add(referencePathsParameter);
 				packagerParams.Add(GenerateAOTProfile ? "--profile=aot" : "");
 				packagerParams.Add(EnableLogProfiler ? "--profile=log" : "");
+				packagerParams.Add(!string.IsNullOrEmpty(WasmTunerBinPath) ? $"\"--wasm-tuner-path={AlignPath(Path.GetFullPath(WasmTunerBinPath))}\"" : "");
 				packagerParams.Add($"\"--linker-optimization-level={GetEmccLinkerOptimizationLevel()}\"");
 				packagerParams.Add($"\"{AlignPath(Path.GetFullPath(Assembly))}\"");
 

src/Uno.Wasm.Bootstrap/Uno.Wasm.Bootstrap.csproj

@@ -225,6 +225,7 @@
 		<ItemGroup>
 			<_PackagerNet5Files Include="../Uno.Wasm.Packager/bin/$(Configuration)/net5.0/packager.*" />
 			<_TunerNet5Files Include="../Uno.Wasm.Tuner/bin/$(Configuration)/net5.0/wasm-tuner.*" />
+			<_TunerNet5Files Include="../Uno.Wasm.Tuner/bin/$(Configuration)/net5.0/Mono.Cecil.*" />
 			<_TunerNet5Files Include="../Uno.Wasm.Tuner/bin/$(Configuration)/net5.0/System.Json.dll" />
 			<_TunerNet5Files Include="../Uno.Wasm.Tuner/bin/$(Configuration)/net5.0/System.Reflection.MetadataLoadContext.dll" />
 		</ItemGroup>

src/Uno.Wasm.Bootstrap/build/Uno.Wasm.Bootstrap.targets

@@ -267,6 +267,7 @@
 			TargetFrameworkVersion="$(TargetFrameworkVersion)"
 			UseFileIntegrity="$(WashShellUseFileIntegrity)"
 			WasmShellMode="$(WasmShellMode)"
+			WasmTunerBinPath="$(MSBuildThisFileDirectory)/wasm-tuner/net5.0/wasm-tuner.dll"
 			WebAppBasePath="$(WasmShellWebAppBasePath)"
         >
 			<Output TaskParameter="OutputPackagePath" PropertyName="WasmShellOutputPackagePath" />

src/Uno.Wasm.Packager/packager.cs

@@ -508,6 +508,7 @@ class WasmOptions {
 		string extra_emccflags = "";
 		string extra_linkerflags = "";
 		string linker_optimization_level = "";
+		string wasm_tuner_path = "";
 		var linker_args = new List<string>();
 
 		var opts = new WasmOptions () {
@@ -564,6 +565,7 @@ class WasmOptions {
 				{ "illinker-path=", s => illinker_path = s },
 				{ "extra-linkerflags=", s => extra_linkerflags = s },
 				{ "linker-optimization-level=", s => linker_optimization_level = s },
+				{ "wasm-tuner-path=", s => wasm_tuner_path = s },
 				{ "help", s => print_usage = true },
 			};
 
@@ -1410,7 +1412,11 @@ class WasmOptions {
 
 		var linkerSearchPaths = root_search_paths.Concat(bcl_prefixes).Distinct().Select(p => $"-d \"{p}\" ");
 
-		var tunerCommand = is_netcore ? $"dotnet $tools_dir{Path.DirectorySeparatorChar}wasm-tuner.dll" : "mono $tools_dir/wasm-tuner.exe";
+		var tunerCommand = $"dotnet " +
+			(string.IsNullOrEmpty(wasm_tuner_path)
+				? $"$tools_dir{Path.DirectorySeparatorChar}wasm-tuner.dll"
+				: wasm_tuner_path);
+
 		var exitCommand = is_windows ? failOnError : "|| exit 1";
 
 		linker_args.Add($"-out ./linker-out --deterministic --disable-opt unreachablebodies");