Fix controller number check for adaptive triggers

app/streaming/input/gamepad.cpp

@@ -965,7 +965,7 @@ void SdlInputHandler::setAdaptiveTriggers(uint16_t controllerNumber, DualSenseOu
 
 #if SDL_VERSION_ATLEAST(2, 0, 16)
         // Make sure the controller number is within our supported count
-    if (controllerNumber <= MAX_GAMEPADS &&
+    if (controllerNumber < MAX_GAMEPADS &&
         // and we have a valid controller
         m_GamepadState[controllerNumber].controller != nullptr &&
         // and it's a PS5 controller