【图标库】箭头的图标命名不一致

[kagol]

Describe the bug

如下图红色框圈出来的，向左的箭头那个图标命名与向右的不对应：

To Reproduce Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior A clear and concise description of what you expected to happen.

Screenshots If applicable, add screenshots to help explain your problem.

environments (please complete the following information):

• Browser [e.g. chrome 80, safari]
• component version [e.g. 8.0.0]
• angular framework version [e.g. 8.0.0]

Additional context Add any other context about the problem here.