Kernel: Use StringView::to_uint instead of String::to_uint in ProcFS

Author: https://github.com/IdanHo
Commit: 792b8ca13c
Pull-request: https://github.com/SerenityOS/serenity/pull/11848
Reviewed-by: https://github.com/ADKaster
Reviewed-by: https://github.com/bgianfo ✅

Kernel/GlobalProcessExposed.cpp

@@ -973,8 +973,7 @@ ErrorOr<NonnullRefPtr<ProcFSExposedComponent>> ProcFSRootDirectory::lookup(Strin
         return maybe_candidate.release_value();
     }
 
-    String process_directory_name = name;
+    auto pid = name.to_uint<unsigned>();
-    auto pid = process_directory_name.to_uint<unsigned>();
     if (!pid.has_value())
         return ESRCH;
     auto actual_pid = pid.value();