Fix a bunch of other low-hanging style lints (#36498)

- **Fix a bunch of low hanging style lints like unnecessary-return**
- **Fix single worktree violation**
- **And the rest**

Release Notes:

- N/A

crates/language/src/language_settings.rs

@@ -253,7 +253,7 @@ impl EditPredictionSettings {
         !self.disabled_globs.iter().any(|glob| {
             if glob.is_absolute {
                 file.as_local()
-                    .map_or(false, |local| glob.matcher.is_match(local.abs_path(cx)))
+                    .is_some_and(|local| glob.matcher.is_match(local.abs_path(cx)))
             } else {
                 glob.matcher.is_match(file.path())
             }