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/recent_projects/src/disconnected_overlay.rs

@@ -37,7 +37,7 @@ impl ModalView for DisconnectedOverlay {
         _window: &mut Window,
         _: &mut Context<Self>,
     ) -> workspace::DismissDecision {
-        return workspace::DismissDecision::Dismiss(self.finished);
+        workspace::DismissDecision::Dismiss(self.finished)
     }
     fn fade_out_background(&self) -> bool {
         true

crates/recent_projects/src/remote_servers.rs

@@ -1410,7 +1410,7 @@ impl RemoteServerProjects {
         if ssh_settings
             .ssh_connections
             .as_ref()
-            .map_or(false, |connections| {
+            .is_some_and(|connections| {
                 state
                     .servers
                     .iter()

crates/recent_projects/src/ssh_connections.rs

@@ -436,7 +436,7 @@ impl ModalView for SshConnectionModal {
         _window: &mut Window,
         _: &mut Context<Self>,
     ) -> workspace::DismissDecision {
-        return workspace::DismissDecision::Dismiss(self.finished);
+        workspace::DismissDecision::Dismiss(self.finished)
     }
 
     fn fade_out_background(&self) -> bool {