Bug fix Arm Joint List

stretch_gazebo/nodes/keyboard_teleop_gazebo

@@ -345,7 +345,7 @@ class KeyboardTeleopNode:
                 if joint_name == "joint_gripper_finger_left":
                     trajectory_goal.trajectory.joint_names = ['joint_gripper_finger_left', 'joint_gripper_finger_right']
                 else:
-                    trajectory_goal.trajectory.joint_names = ['joint_arm_l1', 'joint_arm_l2', 'joint_arm_l3']
+                    trajectory_goal.trajectory.joint_names = ['joint_arm_l0','joint_arm_l1', 'joint_arm_l2', 'joint_arm_l3']
                 positions = []
                 for j_name in trajectory_goal.trajectory.joint_names:
                     joint_index = joint_state.name.index(j_name)