[on-boarding] Go to standby when suspended while the active app is

on-boarding

apps/on_boarding/app.cpp

@@ -33,7 +33,7 @@ bool App::processEvent(Ion::Events::Event e) {
     return true;
   }
   if (e == Ion::Events::OnOff) {
-    m_languageController.reinitOnBoarding();
+    Ion::Power::standby(); // Force a core reset to exit
   }
   return ::App::processEvent(e);
 }

ion/src/device/n0101/drivers/power.cpp

@@ -6,10 +6,10 @@ namespace Ion {
 namespace Power {
 
 void standby() {
-  waitUntilOnOffKeyReleased();
-  standbyConfiguration();
+  Device::Power::waitUntilOnOffKeyReleased();
+  Device::Power::standbyConfiguration();
   Device::Board::shutdown();
-  enterLowPowerMode();
+  Device::Power::enterLowPowerMode();
   Device::Reset::core();
 }