chore: Fix several style lints (#17488)

It's not comprehensive enough to start linting on `style` group, but
hey, it's a start.

Release Notes:

- N/A

crates/markdown/src/parser.rs

@@ -97,7 +97,7 @@ pub fn parse_links_only(text: &str) -> Vec<(Range<usize>, MarkdownEvent)> {
         start: 0,
         end: text.len(),
     };
-    for link in finder.links(&text) {
+    for link in finder.links(text) {
         let link_range = link.start()..link.end();
 
         if link_range.start > text_range.start {