Fix defect for legacy wallet

package.json

@@ -1,6 +1,6 @@
 {
   "name": "dcl-ui",
-  "version": "1.0.15",
+  "version": "1.0.16",
   "description": "A Vuejs based application for managing CSA Distributed Compliance Ledger",
   "author": "Comcast Inc.",
   "private": true,

src/views/Tools/LegacyWallet.vue

@@ -132,9 +132,30 @@ export default {
     const deleteWallet = () => {
       const index = wallets.value.findIndex(w => w.name === selectedWallet.value.name);
       if (index !== -1) {
+        // Check if the wallet being deleted is the lastWallet
+        const lastWalletName = localStorage.getItem('lastWallet');
+        const isLastWallet = lastWalletName === selectedWallet.value.name;
+
+        // Remove the wallet
         wallets.value.splice(index, 1);
+        
+        // Update wallets in localStorage
         localStorage.setItem('wallets', JSON.stringify(wallets.value));
+        
+        // Update lastWallet if necessary
+        if (isLastWallet) {
+          if (wallets.value.length > 0) {
+            // If there are remaining wallets, set lastWallet to the next one (or the first one if we deleted the last wallet)
+            const nextIndex = index < wallets.value.length ? index : 0;
+            const nextWalletName = wallets.value[nextIndex].name;
+            localStorage.setItem('lastWallet', nextWalletName);
+          } else {
+            // If no wallets remain, remove lastWallet from localStorage
+            localStorage.removeItem('lastWallet');
+          }
+        }
       }
+      
       deleteDialogVisible.value = false;
       selectedWallet.value = null;
     };