Fix throttle warning

No need to write a space for blinking colon as all positions are hardcoded

radio/src/opentx.cpp

@@ -2349,6 +2349,7 @@ void checkTHR()
   }
 #else
   if (g_model.disableThrottleWarning) return;
+  getADC();
   evalInputs(e_perout_mode_notrainer); // let do evalInputs do the job
   int16_t v = calibratedStick[thrchn];   
   if (v<=(THRCHK_DEADBAND-1024)) return;  // prevent warning if throttle input OK