[wasm] Set a stack trace limit of 1000 for CI testing with V8 (#38625)

The default 10 is not enough stack frames to make sense of failures

eng/testing/tests.mobile.targets

@@ -5,6 +5,7 @@
     <RunScriptOutputPath>$([MSBuild]::NormalizePath('$(BundleDir)', '$(RunScriptOutputName)'))</RunScriptOutputPath>
     <RunAOTCompilation Condition="'$(TargetOS)' == 'iOS' and $(TargetArchitecture.StartsWith('arm'))">true</RunAOTCompilation>
     <JSEngine Condition="'$(TargetOS)' == 'Browser' and '$(JSEngine)' == ''">V8</JSEngine>
+    <JSEngineArgs Condition="'$(JSEngine)' == 'V8'">$(JSEngineArgs) --engine-arg=--stack-trace-limit=1000</JSEngineArgs>
   </PropertyGroup>
 
   <ItemGroup>
@@ -13,7 +14,7 @@
 
   <PropertyGroup Condition="'$(TargetOS)' == 'Browser'">
     <!-- We need to set this in order to get extensibility on xunit category traits and other arguments we pass down to xunit via MSBuild properties -->
-    <RunScriptCommand>$HARNESS_RUNNER xharness wasm test --engine=$(JSEngine) --js-file=runtime.js -v --output-directory=$XHARNESS_OUT -- --run WasmTestRunner.dll $(AssemblyName).dll</RunScriptCommand>
+    <RunScriptCommand>$HARNESS_RUNNER xharness wasm test --engine=$(JSEngine) $(JSEngineArgs) --js-file=runtime.js -v --output-directory=$XHARNESS_OUT -- --run WasmTestRunner.dll $(AssemblyName).dll</RunScriptCommand>
   </PropertyGroup>
 
   <!-- Generate a self-contained app bundle for Android with tests. -->