Another batch of lint fixes (#36521)

- **Enable a bunch of extra lints**
- **First batch of fixes**
- **More fixes**

Release Notes:

- N/A

crates/project/src/terminals.rs

@@ -67,13 +67,11 @@ pub struct SshDetails {
 
 impl Project {
     pub fn active_project_directory(&self, cx: &App) -> Option<Arc<Path>> {
-        let worktree = self
-            .active_entry()
+        self.active_entry()
             .and_then(|entry_id| self.worktree_for_entry(entry_id, cx))
             .into_iter()
             .chain(self.worktrees(cx))
-            .find_map(|tree| tree.read(cx).root_dir());
-        worktree
+            .find_map(|tree| tree.read(cx).root_dir())
     }
 
     pub fn first_project_directory(&self, cx: &App) -> Option<PathBuf> {