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/project/src/debugger/locators/cargo.rs

@@ -146,7 +146,7 @@ impl DapLocator for CargoLocator {
         let is_test = build_config
             .args
             .first()
-            .map_or(false, |arg| arg == "test" || arg == "t");
+            .is_some_and(|arg| arg == "test" || arg == "t");
 
         let executables = output
             .lines()

crates/project/src/debugger/locators/python.rs

@@ -28,9 +28,7 @@ impl DapLocator for PythonLocator {
         let valid_program = build_config.command.starts_with("$ZED_")
             || Path::new(&build_config.command)
                 .file_name()
-                .map_or(false, |name| {
-                    name.to_str().is_some_and(|path| path.starts_with("python"))
-                });
+                .is_some_and(|name| name.to_str().is_some_and(|path| path.starts_with("python")));
         if !valid_program || build_config.args.iter().any(|arg| arg == "-c") {
             // We cannot debug selections.
             return None;