Able to import 2 the same token lists

[elena-zh]

Reproducible in Prod/Stage/Dev

I have just added another link of a token list source.

Please, see the video for the details: https://images.zenhubusercontent.com/192335743/a6f715ab-8d11-4778-aa74-7d4776e64d69/untitled__jul_28__2021_3_45_pm.mp4

[elena-zh]

Might be related to #460

[stale[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. If you think it shouldn't be closed, speak now or forever hold your peace.

[stale[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. If you think it shouldn't be closed, speak now or forever hold your peace.