fixup! Removed stable/unstable sort arg from into_sorted_stable_ord, fixed a few misc issues, added collect to UnordItems

src/tools/clippy/clippy_lints/src/wildcard_imports.rs

@@ -160,7 +160,7 @@ fn check_item(&mut self, cx: &LateContext<'_>, item: &Item<'_>) {
                     )
                 };
 
-                let mut imports = used_imports.items().map(ToString::to_string).into_sorted_stable_ord();
+                let mut imports = used_imports.items().map(ToString::to_string).into_sorted_stable_ord(false);
                 let imports_string = if imports.len() == 1 {
                     imports.pop().unwrap()
                 } else if braced_glob {