Merge pull request iNavFlight#9340 from iNavFlight/dzikuvx-fix-rate-dynamics-msp

Fix for Rate dynamics MSP layer

Author: DzikuVx

src/main/fc/fc_msp.c

@@ -3059,7 +3059,7 @@ static mspResult_e mspFcProcessInCommand(uint16_t cmdMSP, sbuf_t *src)
 
     case MSP2_INAV_SET_RATE_DYNAMICS:
 
-        if (dataSize == 8) {
+        if (dataSize == 6) {
             ((controlRateConfig_t*)currentControlRateProfile)->rateDynamics.sensitivityCenter = sbufReadU8(src);
             ((controlRateConfig_t*)currentControlRateProfile)->rateDynamics.sensitivityEnd = sbufReadU8(src);
             ((controlRateConfig_t*)currentControlRateProfile)->rateDynamics.correctionCenter = sbufReadU8(src);