fix graphql error

Signed-off-by: saurabhraghuvanshii <saurabhsraghuvanshi@gmail.com>

Author: saurabhraghuvanshii

gatsby-node.js

@@ -863,23 +863,20 @@ exports.onCreateNode = ({ node, actions, getNode }) => {
     value: collection,
   });
 
-  // Normalize blog date to ISO string for stable sort order across build environments (fixes production blog order)
-  if (collection === "blog") {
-    let dateForSort = "1970-01-01T00:00:00.000Z";
-    if (node.frontmatter?.date != null) {
-      try {
-        const parsed = new Date(node.frontmatter.date).toISOString();
-        if (!Number.isNaN(Date.parse(parsed))) dateForSort = parsed;
-      } catch {
-        // keep fallback
-      }
+  let dateForSort = "1970-01-01T00:00:00.000Z";
+  if (node.frontmatter?.date != null) {
+    try {
+      const parsed = new Date(node.frontmatter.date).toISOString();
+      if (!Number.isNaN(Date.parse(parsed))) dateForSort = parsed;
+    } catch {
+      // Keep fallback.
     }
-    createNodeField({
-      name: "dateForSort",
-      node,
-      value: dateForSort,
-    });
   }
+  createNodeField({
+    name: "dateForSort",
+    node,
+    value: dateForSort,
+  });
 
   if (collection !== "content-learn") {
     let slug = "";