XML Formatter Options

While the current formatter works, it would be nice to have the collapseContent property on the xml formatter.

Maybe this could an option, and this could for any of the options for the xml-formatter or the json formatter (idk what the formatter it uses, guessing it has one)

https://github.com/mountain-loop/yaak/blob/a731ccc8bd2704f29d31fc4c544a9d0285722753/src-web/lib/formatters.ts#L31

Current Pretty XML Format

this screenshot is with the collapseContent: true