clippy fixes

src/app/mod.rs

@@ -56,7 +56,7 @@ impl AppState {
                 self.toPort = String::new();
                 self.currentlyEditing = None;
                 self.tableState.select(Some(self.entries.len() - 1_usize));
-                EntryValError::NONE
+                EntryValError::None
             }
             Err(e) => e,
         }