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/client/src/client.rs

@@ -76,7 +76,7 @@ pub static ZED_APP_PATH: LazyLock<Option<PathBuf>> =
     LazyLock::new(|| std::env::var("ZED_APP_PATH").ok().map(PathBuf::from));
 
 pub static ZED_ALWAYS_ACTIVE: LazyLock<bool> =
-    LazyLock::new(|| std::env::var("ZED_ALWAYS_ACTIVE").map_or(false, |e| !e.is_empty()));
+    LazyLock::new(|| std::env::var("ZED_ALWAYS_ACTIVE").is_ok_and(|e| !e.is_empty()));
 
 pub const INITIAL_RECONNECTION_DELAY: Duration = Duration::from_millis(500);
 pub const MAX_RECONNECTION_DELAY: Duration = Duration::from_secs(30);

crates/client/src/user.rs

@@ -848,7 +848,7 @@ impl UserStore {
 
     pub fn has_accepted_terms_of_service(&self) -> bool {
         self.accepted_tos_at
-            .map_or(false, |accepted_tos_at| accepted_tos_at.is_some())
+            .is_some_and(|accepted_tos_at| accepted_tos_at.is_some())
     }
 
     pub fn accept_terms_of_service(&self, cx: &Context<Self>) -> Task<Result<()>> {