settings: add os guard

Add system setting to mirror bluetooth pairing database to sd card (#1787) ...

* ams_mitm: add ability to mirror bluetooth device pairing database to sd card via a system setting

* ams_mitm: address requested stylistic changes

* ams_mitm: make use of R_SUCCEED macro

* ams_mitm: use settings::BluetoothDevicesSettings instead of libnx type

* ams_mitm: fix logic error when truncating pairing database on read

* Update .ini comment

* ams_mitm: missing R_TRY around call to fs::FlushFile

* stratosphere: remove union from BluetoothDevicesSettings type

---------

Co-authored-by: ndeadly <24677491+ndeadly@users.noreply.github.com>

os: add UnsafeMemory apis

ncm: alignment was changed for PlaceHolderId/ContentId in 16.0.0

ncm: Add IntegratedContent*Impl

ncm: first pass at ContentManagerImpl refactor (missing the IntegratedImpls, won't link)

libstrat: make build with new ncm/fs api changes (sysmodules probably fail to build)

erpt: update for new ids

boot2: update for 16.0.0

kern: better divide non-secure size, don't waste fatal memory unless necessary

erpt: fix multiple issues with automatic report cleanup (thanks @yellows8) ...

* Setting retrieval was performed before the call that used the setting.
* Call to detect number of files passed incomplete path and was guaranteed to fail.
* Call to delete reports passed incomplete path and was guaranteed to do nothing.

ncm: update enums, refactor comparison operators

lr: new AOC commands use MapAlias for paths...

kern: update for new device map semantics

os: update os namespace for 15.0.0, loader/ro: update to use csrng, spl: bump max sessions

boot2: launch new eth sysmodule after bsdsockets

erpt: update IDs for 15.0.0

ncm: update for new add on content/attr changes

lr: add support for location resolver disable commands

ncm: GetContentAccessibilities, GetContentInfo*

ams/fuse: update version numbers, update DramId read logic

fs/emummc: fix DirectoryRedirectionFileSystem not stripping prefix

fs: add extension GetEntryList to AesCtrCounterExtendedStorage

os: implement MemoryHeapManager, SetMemoryAttribute

ams: address some warnings when building with gcc-12

strat: update for code changes found in boot (closes #1797)

ams: fs accuracy fixes, bump to 1.3.2

ro/os: use os primitives for MapProcessCodeMemory

loader: update for changes in 14.0.0

loader: use os apis for interacting with process memory