MovementController_BugFix.cs

    void Update()
    {
        if (Input.GetMouseButtonDown(0))
        {
            RaycastHit hit;

            if (Physics.Raycast(Camera.main.ScreenPointToRay(Input.mousePosition), out hit, 100f, _layerMask))
            {
                Debug.Log(hit.transform.gameObject.layer);
                
                //If we've clicked specifically on the ground layer
                if (hit.transform.gameObject.layer == 8)
                {
                    Instantiate(PositionIndicator, new Vector3(hit.point.x, 0.1f, hit.point.z), Quaternion.Euler(-90f, 0, 0));
                    Move(hit.point);
                    
                    //Turn off rotating when the ground is clicked just in case the player hadn't finished rotating
                    _needsRotation = false;
                }
                //we've clicked on an NPC
                else
                {
                    _npcToView = hit.transform;

                    Move(hit.transform.position + (transform.forward * -6));
                    _needsRotation = true;
                }
            }
        }
        
        //Stop the navMesh once the destination has been reached
        if (_isMoving && GetIsNavigationDonePathing())
        {
            _navMeshAgent.Stop();
            _isMoving = false;
        }
        
        //Only start rotating if we need to and we've stopped moving.
        if (_needsRotation && !_isMoving)
        {
            RotateTowards(2f);
        }
    }
    
   // Checks to see if the game object has reached it's destination.
   public bool GetIsNavigationDonePathing()
    {
        return Vector3.Distance(_navMeshAgent.destination, transform.position) <= _navMeshAgent.stoppingDistance;
    }
   
    //Updated this method to resume pathing once a new destination was provided
    private void Move(Vector3 newPosition)
    {
        _navMeshAgent.SetDestination(newPosition);
        _navMeshAgent.Resume();
    }
    
    //Dropped the distance check from this method
    private void RotateTowards(float speed)
    {
        Vector3 direction = (_npcToView.position - transform.position).normalized;
        Quaternion lookRotation = Quaternion.LookRotation(direction);
        transform.rotation = Quaternion.Slerp(transform.rotation, lookRotation, Time.deltaTime * speed);

        if (Quaternion.Angle(transform.rotation, lookRotation) < 1)
        {
            _isMovingAndNeedsRotation = false;
        }
    }