Fix CW mode: prevent LFSR timer from overriding unmodulated carrier

Made-with: Cursor

src/main.cpp

@@ -939,6 +939,9 @@ static void startJamming() {
     pinMode(CC1101_2_GDO0, OUTPUT);
     digitalWrite(CC1101_1_GDO0, HIGH);
     digitalWrite(CC1101_2_GDO0, HIGH);
+    
+    s_noiseEn1 = false; // Prevent LFSR timer from overriding GDO0
+    s_noiseEn2 = false;
 
     if (radio1Status == 1) {
       stTx1 = radio1.transmitDirectAsync();