Yes/No prompt does not appear
For example, when you run:

```console
nimble install nonexistent
````
the following message should appear: 

```
Prompt: nonexistent not found in any local packages.json, check internet for updated packages? [y/N]
Answer: 
```
But now nothing shows up.
It is likely that this is due to the wrong prioritization of silents.

https://github.com/nim-lang/nimble/blob/31dcee52708130383c048aeb31bfed6bd72a2b25/src/nimblepkg/cli.nim#L29-L30
https://github.com/nim-lang/nimble/blob/31dcee52708130383c048aeb31bfed6bd72a2b25/src/nimblepkg/cli.nim#L176-L190