[Bug] Add network modal size too large on Browser view

[SamuelSalas]

Describe the bug

In the Browser view, when connecting to a dapp that works with a network that needs to be added, the add network modal is displayed, but the size is to large that the cancel and add button are not displayed completely.

Expected behavior

Add network modal should be displayed correctly

Screenshots/Recordings

Steps to reproduce

1. On the browser view, navigate to the chainlist.wtf
2. Connect to a network that has not been added, like avalanche
3. Add chain of the same connected network