PWA-3233 : Unable to sign-In using TAB/ Mouse Click button from Sign in Page

Author: rudraswamy.c

packages/peregrine/lib/talons/SignIn/useSignIn.js

@@ -67,7 +67,10 @@ export const useSignIn = props => {
     const handleSubmit = useCallback(
         async ({ email, password }) => {
             setIsSigningIn(true);
-            handleTriggerClick();
+            if(handleTriggerClick!==undefined){
+                handleTriggerClick();
+            }
+          
             try {
                 // Get source cart id (guest cart id).
                 const sourceCartId = cartId;