set.mitm: misc style fixes for bluetooth db

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

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

fatal: correct comment about pools

fatal: dynamically allocate memory as required (preferring system > nonsecure > unsafe)

fatal: use a hack to be kinder wrt pl:u session limit

loader: update usb3 patches for 16.0.0

strat: fix sysmodule building, bump version so I don't forget later

boot2: update for 16.0.0

kern/pm: only steal 8 MB from applet. ...

WebApplet crashes on exit with 16 more MB stolen, apparently.

romfs: thank you fire emblem, very cool (closes #2021)

romfs: push clobber fix missed by git add

romfs: reduce peak allocation sizes by enabling intermediate context frees

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.

dmnt: allow string termination to end a toggle (closes #1980)

gdbstub: fix reading module name for homebrew

loader: update usb3 enable patches for 15.0.0

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

ams.mitm: fix up ContentInfo construction

boot: fix ChargerDriver inititalization correctness (thanks @CTCaer)

fs/emummc: fix DirectoryRedirectionFileSystem not stripping prefix

ns.mitm/fs.mitm: allow program specific web override for non-hbl, if present

gdbstub: report architecture tag for ARM targets

gdbstub: fix threads with invalid characters for packets (closes #1904)

dmnt.gen2: fix gt, optimize

dmnt.gen2: sanitize brackets in thread names to be valid xml

ro/os: use os primitives for MapProcessCodeMemory

loader: update for changes in 14.0.0

loader: use os apis for interacting with process memory

ams: globally prefer R_RETURN to return for ams::Result

ams: use R_SUCCEED, R_THROW globally