apply new rustfmt.toml changes, fix some clippy lints

Signed-off-by: strawberry <strawberry@puppygock.gay>

src/core/utils/string/split.rs

@@ -15,8 +15,12 @@ pub trait SplitInfallible<'a> {
 
 impl<'a> SplitInfallible<'a> for &'a str {
 	#[inline]
-	fn rsplit_once_infallible(&self, delim: &str) -> Pair<'a> { self.rsplit_once(delim).unwrap_or((self, EMPTY)) }
+	fn rsplit_once_infallible(&self, delim: &str) -> Pair<'a> {
+		self.rsplit_once(delim).unwrap_or((self, EMPTY))
+	}
 
 	#[inline]
-	fn split_once_infallible(&self, delim: &str) -> Pair<'a> { self.split_once(delim).unwrap_or((self, EMPTY)) }
+	fn split_once_infallible(&self, delim: &str) -> Pair<'a> {
+		self.split_once(delim).unwrap_or((self, EMPTY))
+	}
 }