MC-20548: Refactor sales module email templates to use scalar variables.

Fix annotation to correct case.

Author: admanesachin

app/code/Magento/Sales/view/frontend/email/creditmemo_new.html

@@ -16,7 +16,7 @@
 "var payment_html|raw":"Payment Details",
 "var formattedShippingAddress|raw":"Shipping Address",
 "var order.shipping_description":"Shipping Description",
-"var store.frontend_name":"Store Frontend name",
+"var store.frontend_name":"Store Frontend Name",
 "var store_email":"Store Email",
 "var store_phone":"Store Phone",
 "var store_hours":"Store Hours",

app/code/Magento/Sales/view/frontend/email/order_update.html

@@ -11,7 +11,7 @@
 "var comment|escape|nl2br":"Order Comment",
 "var order.increment_id":"Order Id",
 "var order_data.frontend_status_label":"Order Status",
-"var store.frontend_name":"Store Frontend name",
+"var store.frontend_name":"Store Frontend Name",
 "var store_email":"Store Email",
 "var store_phone":"Store Phone",
 "var store_hours":"Store Hours"

app/design/frontend/Magento/luma/Magento_Sales/email/creditmemo_new.html

@@ -16,7 +16,7 @@
 "var payment_html|raw":"Payment Details",
 "var formattedShippingAddress|raw":"Shipping Address",
 "var order.shipping_description":"Shipping Description",
-"var store.frontend_name":"Store Frontend name",
+"var store.frontend_name":"Store Frontend Name",
 "var store_email":"Store Email",
 "var creditmemo":"Credit Memo",
 "var order":"Order",