Fix IMU ang MAG, added MAG chart to svelte

esp32/include/peripherals/imu.h

@@ -106,6 +106,7 @@ class IMU : public SensorBase<IMUAnglesMsg> {
     _imu->setFullScale((ICM_20948_Internal_Acc | ICM_20948_Internal_Gyr), myFSS);
     if (_imu->status != ICM_20948_Stat_Ok){ return false; }
     // TODO: Setup low pass filter config
+    _msg.success = true;
 #endif
         return _msg.success;
     }

esp32/include/peripherals/magnetometer.h

@@ -53,6 +53,7 @@ class Magnetometer : public SensorBase<MagnetometerMsg> {
             
             _mag->startupMagnetometer();
             if (_mag->status != ICM_20948_Stat_Ok){ return false; }
+            _msg.success = true;
         #elif FT_ENABLED(USE_HMC5883)
             _msg.success = _mag.begin();
         #endif