MPU Hal (#1492)

* Furi HAL: memory protection unit
* Core: prohibit NULL dereferencing, even for reads.
* Applications: fix NULL dereference
* Core: stack protection by MPU
* MPU: stack region alignment
* Apps: fix null pointer dereferences
* Threads: fix non-null arg check
* Desktop settings: fix null pointer dereference
* Core: documented null-check hack
* Fix null dereference issues
* Apps: args check
* Core: naming fixes
* format code
* Core: remove NONNULL specifier
* FurHal: move MPU initialization to begining, fix enum naming

Co-authored-by: あく <alleteam@gmail.com>

applications/bad_usb/bad_usb_app_i.h

@@ -38,6 +38,5 @@ struct BadUsbApp {
 
 typedef enum {
     BadUsbAppViewError,
-    BadUsbAppViewFileSelect,
     BadUsbAppViewWork,
 } BadUsbAppView;