Updates the implementation of KLightConditionVariable to FW 12.x

hle: service: sm: Remove redundant session reservation, etc.

- We were double-reserving, causing us to run out of sessions in Pokemon Sword & Shield.

- Pokemon Sword/Shield are still hitting this for some reason, causing an svcBreak.

hle: kernel: KServerSession: Fix client disconnected.

- Prevents us from over decrementing num_sessions.

- Prevents a cloned session's handler from being overwritten by another disconnected session.
- Fixes session handler nullptr asserts with Pokemon Sword & Shield.

ci: common: Remove 7z packaging

kernel: svc: Add missing error check to CancelSynchronization.

Use XZ instead of gzip for packing. Should save about 10 MB.

- Avoids a potential crash if the handle is invalid, and also makes this code accurate to real kernel behavior.

Removes the 7z from being package during CI, as only .tar.xz preserves
information needed on Linux, and otherwise is just extremely redundant
to package in addition to the .tar.xz.  This affects Linux releases and
PR-verify artifacts only. MSVC releases do not use this script to my
knowledge.

src/common/CMakeLists.txt: fix variable escaping

- Pokemon Sword/Shield are still hitting this for some reason, causing an svcBreak.

limitable_input_dialog: Implement character limiter

common/fs/path_util: Remove [[nodiscard]] from function with void return

configure_ui: Add translation context for file-scope strings

hle: kernel: Remove service thread manager and use weak_ptr.

We can't make use of the return value here, since we don't a return
value to work with.

Allows for these strings to show up in the translation files.

yuzu qt: Start games from context menu

yuzu-cmd: Fix OpenGL rendering

- We no longer need to queue up service threads to be destroyed.
- Fixes a race condition where a thread could be destroyed too early, which caused a crash in Pokemon Sword/Shield.

This connects the BootGame function to the context menu. In addition,
there is an option to boot without using the custom configuration.

decoders: Avoid out-of-bounds access

hle: kernel: Refactor to allocate a ServiceThread per service handler.

buffer_cache: Simplify uniform disabling logic

- Fixes some crashes introduced by our common intrusive red/black tree impl.

When using GetText() you can now choose what set of characters the user can't enter.

result: Add [[nodiscard]] specifiers where applicable

externals: Update dynarmic