core: Resolve misc straggler cases of variable shadowing

input_common: Release mouse buttons on out of focus

Resolves shadowing warnings that aren't in a particularly large
subsection of core. Brings us closer to turning -Wshadow into an error.

All that remains now is for cases in the kernel (left untouched for now
since a big change by bunnei is pending), and a few left over in the
service code (will be tackled next).

hid: Fix touch not initializing properly if disabled

file_sys: Resolve cases of variable shadowing

game_list: Fix dir move up/down expand state

service: filesystem: Return proper error codes for CreateFile

Brings us closer to enabling -Wshadow as an error in the core code.

cmake: Only config Boost during find_package

game_list: Update filter results when removing directories

hid: Disable touch if setting is not enabled

This improves the accuracy of CreateFile by returning the correct error codes on certain conditions (parent directory does not exist, path already exists).

This fixes saving and the loading of existing saves in New Pokemon Snap

applets/web: Fix a use-after-free when passing in the URL string

input_common: Reset GC sticks center by measuring multiple packets

hid: Implement SevenSixAxis and ConsoleSixAxisSensor

yuzu: config: Silence narrowing conversion warning on MSVC

yuzu: main: Silence type conversion warning on MSVC

The URL string was being deleted before being used, leading to a use-after-free occurring when it is used afterwards.

Fix this by taking the string by const ref to extend its lifetime, ensuring it doesn't get deleted before use.

loader: Resolve instances of variable shadowing

Eliminates variable shadowing cases across all the loaders to bring us
closer to enabling variable shadowing as an error in core.

service: Eliminate cases of member variable shadowing

applets/swkbd: Fix software keyboard button hint scaling

Resolves a few localized instances of member variable shadowing. Brings
us a little closer to turning shadowing warnings into errors.

game_list: Mark games as favorite to make them appear at the top.

nvhost_vic: Fix device closure

config: Add new keyboard bindings

Without the CONFIG option, find_package will perform Module search. On
at least Linux Mint 20 (I'm unable to reproduce this on CentOS and Arch
Linux), my guess is that this causes CMake to find "dirty" modules that
modify the configuration state despite the Boost version being too
low/absent.

Use CONFIG to put CMake into pure Config mode and avoid Module search.

Changes the keyboard bindings to be based on RPCS3's tried and true keyboard bindings.

vk_texture_cache: Swap R and B channels of color flipped format

Swaps the Red and Blue channels of the A1B5G5R5_UNORM texture format, which was being incorrectly rendered.

Implements the OnClose method of the nvhost_vic device, and removes the remnants of an older implementation.

Also cleans up some of the surrounding code.