[Human dashboard] Connect wallet UI bug

[zed-wong]

Describe the bug
When visit https://dashboard.humanprotocol.org/kvstore with phantom and backpack installed, the UI looks wrong.

To Reproduce
Steps to reproduce the behavior:

1. Use chrome with phantom and backpack installed
2. Go to 'https://dashboard.humanprotocol.org/kvstore'
3. Click on 'Connect wallet'
4. See error

Expected behavior
The icon should have the same size

Screenshots