`%sqlcmd profile` and `%sqlcmd explore` do not work with snippets

[edublancas]

when storing some snippet, e.g:

%%sql --save joe
select * from people where name = 'joe'

I'm able to use %sqlplot, but unable to use %sqlcmd profile/%sqlcmd explore.

Error:

We need to fix it so they work.

More context: snippet-error.ipynb.zip

[AnirudhVIyer]

On it!