`--format json` should disable all other output

[andreaswolf]

JSON output is meant to be processed by subsequent scripts etc., so any further output must currently be filtered out manually.

E.g. this:

$ yt --no-progress --quiet issues list --query "project:FOO type: Epic" --format json
🔍 Fetching issues...
[
  {
    "updated": 1774370637744,
…

I expected --no-progress to actually already do this, but from my limited Python knowledge, I could not figure out if this is indeed intended or "no progress" just means "no spinner" here.

[andreaswolf]

FYI: This can be fixed by piping the output into sed:

$ yt … | sed 1d

Btw: Thanks for this great tool, totally forgot to mention this initially :)