Do not add hard linebreak for html template (#7208)
* Do not add hard linebreak for html template
* Collapse whitespaces to single space char
* restore line breaking
* use `line` and rename vars
* add test
* support htmlWhitespaceSensitivity
* indent if breakable
* add htmlWhitespaceSensitivity test
* indent only when multiple top levels
* add a changelog entry
* update snapshot
* replace match with test
* split tests into multiple files for better readability of snapshots
* fix an edge case with html-in-js-in-html
Co-authored-by: Georgii Dolzhykov <thorn.mailbox@gmail.com>
