Some minor changes

kordophone2/Transcript/TranscriptDisplayItemViews.swift

@@ -128,6 +128,8 @@ struct ImageItemView: View
                    let ns = NSImage(data: data) {
                     img = ns
                 }
+                
+                try handle.close()
             } catch {
                 print("Attachment file handle acquisition error: \(error)")
             }