style: minor PR comments

src/DeviceInterface/InterfacePrototype.js

@@ -800,7 +800,7 @@ class InterfacePrototype {
         if (!form.form) return;
         if (!form.hasValues(values)) return;
 
-        const isUsernameOnly = Object.keys(values?.credentials ?? {}).length === 1 && values?.credentials?.username;
+        const isUsernameOnly = Object.keys(values?.credentials || {}).length === 1 && values?.credentials?.username;
         const checks = [form.shouldPromptToStoreData && !form.submitHandlerExecuted, this.passwordGenerator.generated, isUsernameOnly];
         if (checks.some(Boolean)) {
             const formData = appendGeneratedKey(values, {

src/Form/formatters.js

@@ -205,7 +205,7 @@ const prepareFormValuesForStorage = (formValues) => {
     /** Fixes for credentials */
     if (!credentials.username && hasUsernameLikeIdentity(identities)) {
         // @ts-ignore - We know that username is not a useful value here
-        credentials.username = identities.emailAddress ?? identities.phone;
+        credentials.username = identities.emailAddress || identities.phone;
     }
 
     // If we still don't have any credentials, we discard the object

src/autofill-utils.js

@@ -625,7 +625,7 @@ function queryElementsWithShadow(element, selector, forceScanShadowTree = false)
 }
 
 /**
- * Checks if there's only one identity in the object, and it's a username-like identity
+ * Checks if there is a single username-like identity, i.e. email or phone
  * @param {InternalIdentityObject} identities
  * @returns {boolean}
  */