add scale-down

src/components/Contexts/CANSignalsContext.jsx

@@ -55,7 +55,12 @@ export const CANSignalProvider = ({ token, children }) => {
       const items = transformSignals(result.data);
 
       if (items.length > 0) {
-        setDelayIndex(0);
+        setDelayIndex((index) => {
+          if (index === 0) {
+            return 0;
+          }
+          return index -= 1;
+        });
         setSignals(items);
       } else {
         setDelayIndex((index) => {