Website: set command argument to undefined if not required (#42)

* set command argument to undefined if not required

* fix prettier warning

website/src/app/Components/HomeComponent.tsx

@@ -22,7 +22,9 @@ const HomeComponent: React.FC = () => {
   const [startingCode, setStartingCode] = useState<number | null>(null)
   const [privateKey, setPrivateKey] = useState<string>("")
   const [selectedCommand, setSelectedCommand] = useState<string>("1")
-  const [commandArgument, setCommandArgument] = useState<number>()
+  const [commandArgument, setCommandArgument] = useState<number | undefined>(
+    undefined
+  )
   const [result, setResult] = useState<TokenData | null>(null)
   const [error, setError] = useState<string | null>(null)
 
@@ -182,7 +184,7 @@ const HomeComponent: React.FC = () => {
                   const newCommand = e.target.value
                   setSelectedCommand(newCommand)
                   if (!commandOptions[newCommand].requiresArgument) {
-                    setCommandArgument(0)
+                    setCommandArgument(undefined)
                   }
                 }}
                 required