LibWeb/WebAssembly+test-wasm: Use get_without_side_effects() more

Tests/LibWasm/test-wasm.cpp

@@ -119,7 +119,7 @@ TESTJS_GLOBAL_FUNCTION(parse_webassembly_module, parseWebAssemblyModule)
     if (import_value.is_object()) {
         auto& import_object = import_value.as_object();
         for (auto& property : import_object.shape().property_table()) {
-            auto value = import_object.get_own_property(property.key, {}, JS::AllowSideEffects::No);
+            auto value = import_object.get_without_side_effects(property.key);
             if (!value.is_object() || !is<WebAssemblyModule>(value.as_object()))
                 continue;
             auto& module_object = static_cast<WebAssemblyModule&>(value.as_object());

Userland/Libraries/LibWeb/WebAssembly/WebAssemblyMemoryConstructor.cpp

@@ -37,8 +37,8 @@ JS::Value WebAssemblyMemoryConstructor::construct(FunctionObject&)
     if (vm.exception())
         return {};
 
-    auto initial_value = descriptor->get_own_property("initial", {}, JS::AllowSideEffects::No);
-    auto maximum_value = descriptor->get_own_property("maximum", {}, JS::AllowSideEffects::No);
+    auto initial_value = descriptor->get_without_side_effects("initial");
+    auto maximum_value = descriptor->get_without_side_effects("maximum");
 
     if (initial_value.is_empty()) {
         vm.throw_exception<JS::TypeError>(global_object, JS::ErrorType::NotA, "Number");