fix(token-dialog): raise error if no account

If there is not any account, it may be due to a token generated before
the creation of a V20 account (you can fix it recreating the token) or
there are not V20 account, because there are only the legacy ones (you
can fix it creating a new V20 account).

build/app.bundle.js

@@ -1883,9 +1883,18 @@ class TokenDialogController {
             environment: this.environment,
             token: this.token
         }).then(accounts => {
+            const message = "If your account id contains only digits " +
+                "(ie. 2534233), it is a legacy account and you should use " +
+                "release 3.x. For v20 accounts use release 4.x or higher. " +
+                "Check your token.";
+
+            if (!accounts.length) {
+                throw new Error(message);
+            }
             angular.extend(this.accounts, accounts);
-        }, err => {
+        }).catch(err => {
             this.ToastsService.addToast(err);
+            this.closeModal();
         });
     }
 

src/client/app/components/token-dialog/token-dialog.controller.js

@@ -42,9 +42,18 @@ export class TokenDialogController {
             environment: this.environment,
             token: this.token
         }).then(accounts => {
+            const message = "If your account id contains only digits " +
+                "(ie. 2534233), it is a legacy account and you should use " +
+                "release 3.x. For v20 accounts use release 4.x or higher. " +
+                "Check your token.";
+
+            if (!accounts.length) {
+                throw new Error(message);
+            }
             angular.extend(this.accounts, accounts);
-        }, err => {
+        }).catch(err => {
             this.ToastsService.addToast(err);
+            this.closeModal();
         });
     }