mshtml: Add IHTMLEditServices stub implementation. Take 3.

[Dmitry Timoshkov]

Marvin <testbot at winehq.org> wrote:

> While running your changed tests on Windows, I think I found new failures.
> Being a bot and all I'm not very good at pattern recognition, so I might be
> wrong, but could you please double-check?
> Full results can be found at
> https://testbot.winehq.org/JobDetails.pl?Key=17315
> 
> Your paranoid android.

Failures are not related to the new tests.

-- 
Dmitry.