Add page table fastmem to Debug/JIT settings

This can be useful for experimenting with how a game behaves with and
without page table fastmem. As with everything in the JIT menu, this is
only available if Dolphin's debugger is enabled.

I didn't add this in 989a95a when I added the setting itself because we
were under a string freeze for Dolphin 2603a at the time.

Accomplished using `run-clang-tidy` with `performance-move-const-arg,performance-unnecessary-value-param,modernize-pass-by-value`.

Changed arguments to const references, removed them where inappropriate (e.g. sink parameters). Same with std::move.

Manually reviewed each change to make sure that it makes sense, and do something more appropriate if possible.

Co-authored by: supermilkdude67 <w.f.s.jazzfyre@gmail.com>

Add new setting to show/hide the Movie Window.

The callback mechanism AchievementManager had until now only supported
one caller registering a callback, and it didn't have any
synchronization. This isn't a problem for DolphinQt, but the PR to add
Android support for RetroAchievements exposes these problems. Let's
replace it with HookableEvent, which can handle all of this.

Credits to @degasus and shuffle2 (godisgovernment):
https://github.com/degasus/dolphin/tree/wiispeak