Fix accidental erase of paper contents by spamming save action (#32598)

Fix spammable paper save issue

Content.Client/Paper/UI/PaperWindow.xaml.cs

@@ -319,6 +319,8 @@ namespace Content.Client.Paper.UI
 
         private void RunOnSaved()
         {
+            // Prevent further saving while text processing still in
+            SaveButton.Disabled = true;
             OnSaved?.Invoke(Rope.Collapse(Input.TextRope));
         }