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### Issue Details

* **Electron Version:**
  * 10.1.3
* **Operating System:**
  * win7 sp1 x64

- without worldSafeExecuteJavaScript, `(webFrame|webContents).executeJavaScript('new Promise(resolve => setTimeout(() => resolve(2), 3000));')` works as expected; the executeJavaScript promise waits for the eval promise.
- in the case of webFrame the evaled promise is returned raw
- in the case of webContents the promise is marshaled
- with worldSafeExecuteJavaScript, both error with: "An object could not be cloned"
- webContents should continue marshaling promises, otherwise its an unnecessary breaking change
- webFrame should marshal promises for consistency with webContents
- the clone restriction would be on the promise resolve value

### To Reproduce
`(webFrame|webContents).executeJavaScript('new Promise(resolve => setTimeout(() => resolve(2), 3000));')`


shell/renderer/api/electron_api_context_bridge.cc
auto cached_value = object_cache->GetCachedProxiedObject(value);
  if (!cached_value.IsEmpty()) {
    return cached_value;
  }
  
  
  if (value->IsFunction()) {
    auto func = v8::Local<v8::Function>::Cast(value);
    {
      v8::Context::Scope destination_scope(destination_context);
      v8::Local<v8::Object> state =
          v8::Object::New(destination_context->GetIsolate());
      SetPrivate(destination_context, state,
                 context_bridge::kProxyFunctionPrivateKey, func);
      SetPrivate(destination_context, state,
                 context_bridge::kSupportsDynamicPropertiesPrivateKey,
                 gin::ConvertToV8(destination_context->GetIsolate(),
                                  support_dynamic_properties));
      v8::Local<v8::Value> proxy_func;
      if (!v8::Function::New(destination_context, ProxyFunctionWrapper, state)
               .ToLocal(&proxy_func))
        return v8::MaybeLocal<v8::Value>();
      object_cache->CacheProxiedObject(value, proxy_func);
      return v8::MaybeLocal<v8::Value>(proxy_func);
    }
  }
  
  if (value->IsPromise()) {
    v8::Context::Scope destination_scope(destination_context);
    auto source_promise = v8::Local<v8::Promise>::Cast(value);