[FL-2219, FL-2251] System, FuriCore, FuriHal: various bug fixes and improvements (#986)

* Replace irq shenanigans with critical section
* Power: halt system on power off instead of crash.
* Gui: properly handle input event on NULL current_view
* FuriHal: correct gpio configuration sequence
* FuriHal: cleanup uart initialization. Makefile: allow to disable thread support.
* Loader: improve locking, fix simultaneous app start crash, full command line args support for gui apps, more consistent insomnia
* Loader: correct spelling
* FuriHal: increase gpio configuration readability
* FuriHal: correct gpio configuration error when mode is GpioModeEventRiseFall
Co-authored-by: DrZlo13 <who.just.the.doctor@gmail.com>

applications/accessor/helpers/wiegand.cpp

@@ -31,9 +31,9 @@ int WIEGAND::getWiegandType() {
 
 bool WIEGAND::available() {
     bool ret;
-    __disable_irq();
+    FURI_CRITICAL_ENTER();
     ret = DoWiegandConversion();
-    __enable_irq();
+    FURI_CRITICAL_EXIT();
     return ret;
 }
 
@@ -221,4 +221,4 @@ bool WIEGAND::DoWiegandConversion() {
         }
     } else
         return false;
-}
+}