Before installing compiled binaries, check sudo permission

**Is your feature request related to a problem? Please describe.**

The user will lose sudo permission after 5 minutes without using it.

Most computers will take more than 5 minutes to compile bitcoin, so we need a step that prompts the user for a password again.

```
Compiling source code, please wait... ok.
Running compile checks, please wait... ok.
Installing Bitcoin Core... Password:
ok.
Checking data already synced... 4 GiB.
```

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