symbol switching fix; max amount

src/components/Vault.vue

@@ -103,6 +103,7 @@ const TokenRow = defineAsyncComponent(()=>import('./TokenRow.vue'))
 const s = useStore()
 
 const props = defineProps(['owner', 'num'])
+// todo use store.vault
 const addr = computed(()=>vaultAddress(s.factory, s.vaultInitCodeHash, props.owner, props.num))
 const balances = computed(()=>{
   const bs = s.vaultBalances[addr.value]