[BUG] Tapezoid_150 not actually Trapezoid_150

[sDessens]

Although FOCModulationType::Trapezoid_150 is capable of spinning a motor, I'm not sure if it generates the promised waveform. See the following code in BLDCMotor::setPhaseVoltage():

    case FOCModulationType::Trapezoid_150 :
      // see https://www.youtube.com/watch?v=InzXA7mWBWE Slide 8
      static int trap_150_map[12][3] = {
        {_HIGH_IMPEDANCE,1,-1},{-1,1,-1},{-1,1,_HIGH_IMPEDANCE},{-1,1,1},{-1,_HIGH_IMPEDANCE,1},{-1,-1,1},{_HIGH_IMPEDANCE,-1,1},{1,-1,1},{1,-1,_HIGH_IMPEDANCE},{1,-1,-1},{1,_HIGH_IMPEDANCE,-1},{1,1,-1} // each is 30 degrees with values for 3 phases of 1=positive -1=negative 0=high-z
      };
      // static int trap_150_state = 0;
      sector = 12 * (_normalizeAngle(angle_el + _PI_6 ) / _2PI); // adding PI/6 to align with other modes
      // centering the voltages around either
      // modulation_centered == true > driver.volage_limit/2
      // modulation_centered == false > or Adaptable centering, all phases drawn to 0 when Uq=0
      center = modulation_centered ? (driver->voltage_limit)/2 : Uq;

      if(trap_150_map[sector][0]  == _HIGH_IMPEDANCE){
        Ua= center;
        Ub = trap_150_map[sector][1] * Uq + center;
        Uc = trap_150_map[sector][2] * Uq + center;
        driver->setPhaseState(_HIGH_IMPEDANCE, _ACTIVE, _ACTIVE); // disable phase if possible
      }else if(trap_150_map[sector][1]  == _HIGH_IMPEDANCE){
        Ua = trap_150_map[sector][0] * Uq + center;
        Ub = center;
        Uc = trap_150_map[sector][2] * Uq + center;
        driver->setPhaseState(_ACTIVE, _HIGH_IMPEDANCE, _ACTIVE);// disable phase if possible
      }else{
        Ua = trap_150_map[sector][0] * Uq + center;
        Ub = trap_150_map[sector][1] * Uq + center;
        Uc = center;
        driver->setPhaseState(_ACTIVE, _ACTIVE, _HIGH_IMPEDANCE);// disable phase if possible
      }
      break;

The code clearly intends that all three phases are energized in some sectors. But the if statements always disable one of the three phases, unless I'm blind this code cannot possibly implement a proper Trapezoid_150 waveform.