Reduce allocations (#31223)

Release Notes:

- N/A

crates/gpui/src/platform/windows/destination_list.rs

@@ -158,8 +158,8 @@ fn add_recent_folders(
                 .iter()
                 .map(|p| {
                     p.file_name()
-                        .map(|name| name.to_string_lossy().to_string())
-                        .unwrap_or_else(|| p.to_string_lossy().to_string())
+                        .map(|name| name.to_string_lossy())
+                        .unwrap_or_else(|| p.to_string_lossy())
                 })
                 .join(", ");
 

crates/gpui/src/platform/windows/display.rs

@@ -241,7 +241,7 @@ fn get_monitor_info(hmonitor: HMONITOR) -> anyhow::Result<MONITORINFOEXW> {
 fn generate_uuid(device_name: &[u16]) -> Uuid {
     let name = device_name
         .iter()
-        .flat_map(|&a| a.to_be_bytes().to_vec())
+        .flat_map(|&a| a.to_be_bytes())
         .collect_vec();
     Uuid::new_v5(&Uuid::NAMESPACE_DNS, &name)
 }