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/feedback/src/system_specs.rs

@@ -135,7 +135,7 @@ impl Display for SystemSpecs {
 fn try_determine_available_gpus() -> Option<String> {
     #[cfg(any(target_os = "linux", target_os = "freebsd"))]
     {
-        return std::process::Command::new("vulkaninfo")
+        std::process::Command::new("vulkaninfo")
             .args(&["--summary"])
             .output()
             .ok()
@@ -150,11 +150,11 @@ fn try_determine_available_gpus() -> Option<String> {
                 ]
                 .join("\n")
             })
-            .or(Some("Failed to run `vulkaninfo --summary`".to_string()));
+            .or(Some("Failed to run `vulkaninfo --summary`".to_string()))
     }
     #[cfg(not(any(target_os = "linux", target_os = "freebsd")))]
     {
-        return None;
+        None
     }
 }