Fix dismiss of ext. notification (#8512)

* Dismiss all ext notifications with any input broker event

* Account for nagging

src/input/InputBroker.cpp

@@ -1,5 +1,7 @@
 #include "InputBroker.h"
 #include "PowerFSM.h" // needed for event trigger
+#include "configuration.h"
+#include "modules/ExternalNotificationModule.h"
 
 InputBroker *inputBroker = nullptr;
 
@@ -48,6 +50,12 @@ void InputBroker::processInputEventQueue()
 int InputBroker::handleInputEvent(const InputEvent *event)
 {
     powerFSM.trigger(EVENT_INPUT); // todo: not every input should wake, like long hold release
+
+    if (event && event->inputEvent != INPUT_BROKER_NONE && externalNotificationModule &&
+        moduleConfig.external_notification.enabled) {
+        externalNotificationModule->stopNow();
+    }
+
     this->notifyObservers(event);
     return 0;
 }

src/modules/ExternalNotificationModule.cpp

@@ -325,6 +325,10 @@ void ExternalNotificationModule::stopNow()
     drv.stop();
 #endif
 
+    // Prevent the state machine from immediately re-triggering outputs after a manual stop.
+    isNagging = false;
+    nagCycleCutoff = UINT32_MAX;
+
 #ifdef HAS_I2S
     // GPIO0 is used as mclk for I2S audio and set to OUTPUT by the sound library
     // T-Deck uses GPIO0 as trackball button, so restore the mode