fix PN5180 sleep issues

Button wakeup will now be registered in case of spurious wakeups
Correctly wake up on LOW signal

src/RfidPn5180.cpp

@@ -358,7 +358,7 @@ extern unsigned long Rfid_LastRfidCheckTimestamp;
                 if (nfc14443.switchToLPCD(wakeupCounterInMs)) {
                     Log_Println((char *) FPSTR(lowPowerCardSuccess), LOGLEVEL_INFO);
                     // configure wakeup pin for deep-sleep wake-up, use ext1
-                    esp_sleep_enable_ext1_wakeup((1ULL << (RFID_IRQ)), ESP_EXT1_WAKEUP_ANY_HIGH);
+                    esp_sleep_enable_ext1_wakeup((1ULL << (RFID_IRQ)), ESP_EXT1_WAKEUP_ALL_LOW);
                     // freeze pin states in deep sleep
                     gpio_hold_en(gpio_num_t(RFID_CS));  // CS/NSS
                     gpio_hold_en(gpio_num_t(RFID_RST)); // RST

src/main.cpp

@@ -129,7 +129,10 @@ void printWakeUpReason() {
 void setup() {
     Log_Init();
     Queues_Init();
+
+    // make sure all wakeups can be enabled *before* initializing RFID, which can enter sleep immediately
     #ifdef RFID_READER_TYPE_PN5180
+        Button_Init();
         Rfid_Init();
     #endif
 
@@ -214,8 +217,8 @@ void setup() {
     AudioPlayer_Init();
     Mqtt_Init();
     Battery_Init();
-    Button_Init();
     #ifndef RFID_READER_TYPE_PN5180
+        Button_Init();
         Rfid_Init();
     #endif
     RotaryEncoder_Init();