Merge pull request #7244 from etracer65/gps_rescue_reset_max_alt

Reset GPS Rescue max altitude and distance on arming

src/main/flight/gps_rescue.c

@@ -177,6 +177,8 @@ static void idleTasks()
 {
     // Do not calculate any of the idle task values when we are not flying
     if (!ARMING_FLAG(ARMED)) {
+        rescueState.sensor.maxAltitudeCm = 0;
+        rescueState.sensor.maxDistanceToHomeM = 0;
         return;
     }