[Bug]: Discover does not take to the corresponding network selected

### Describe the bug

Discover does not take to the corresponding network selected

### Expected behavior

Network selected should navigate to the corresponding Discover network.

### Screenshots/Recordings

https://github.com/user-attachments/assets/5b4c20fa-4ceb-40c2-b880-386703fa4407

### Steps to reproduce

1. Network picker → network list
2. Find Linea or Solana
3. Open overflow menu → Discover
4. Confirm it opens something like:
https://app.metamask.io/explore/networks/linea (or /solana)

### Error messages or log output

```shell

```

### Where was this bug found?

Internal release testing

### Version

13.44.0

### Build type

None

### Browser

Chrome

### Operating system

MacOS

### Hardware wallet

_No response_

### Additional context

_No response_

### Severity

_No response_

Start at the network picker and its overflow-menu Discover action, then trace how the selected network is passed into the Discover destination. Reproduce with Linea or Solana in Chrome on macOS and verify that Discover opens the corresponding network URL, such as /explore/networks/linea or /solana.

Written by the indexing model from the issue text.