[BUG] shouldn't call sync api when upload failed.

[Aralhi]

Describe the bug
shouldn't call sync api when upload failed.

To Reproduce
Steps to reproduce the behavior:

1. Go to Knowledge
2. Click on Create
3. Upload a file
4. See upload failed and call sync api also.

Expected behavior

• don't call sync when upload failed.
• show No data tips when the space list is empty.

Screenshots