elrsman/tx: Always send RC channels frame to TX module

When the TX module is in BLE joystick mode, it expects to receive the RC frames regardless of not being connected to a FC. This corrects the prior change which only sent the RC frame when the TX module was connected to a FC.

src/main.cpp

@@ -149,7 +149,7 @@ class ElrsManager {
 
                     if (frame) {
                         crsfInterface.SendFrame(*frame);
-                    } else if (device.address == crsf::Address::FlightController && channelFrame) {
+                    } else if (device.address == crsf::Address::CrsfTransmitter && channelFrame) {
                         crsfInterface.SendFrame(*channelFrame);
                         channelFrame.reset();
                     }