Very small PR; Motivation: Easier navigation using Go-To-definition.
Because, using go-to-definition of rust-analyzer on parse() doesn't take you to the actual parse() implementation but its trait definiton. On the other hand, it's very easy to find EmailAddress::new().
* truncate incoming messages by lines,
because many linebreaks seem to cause the chat open delay on deltachat-ios
* run cargo fmt
* remove DC_DESIRED_TEXT_LINES_THRESHOLD
and use Strings instead of Cow<str>
* remove usage of clippy::indexing_slicing in truncate_by_lines (#3596)
* adjust comments
* Fix truncate_by_lines tests
* Reword indexing/slicing error
* Remove unnecessary conditional
* Fix a typo in the comment
Co-authored-by: link2xt <link2xt@testrun.org>