fix: use extensions field if it's available

Author: JCMais

src/__tests__/__snapshots__/yupMiddleware.spec.ts.snap

@@ -92,6 +92,55 @@ Object {
 }
 `;
 
+exports[`should validate correctly - extensions field - object error - error 1`] = `
+Object {
+  "data": Object {
+    "AddUserErrorObjectExtensions": Object {
+      "error": Object {
+        "details": Array [
+          Object {
+            "errors": Array [
+              "firstName must be at least 1 characters",
+            ],
+            "field": "firstName",
+          },
+          Object {
+            "errors": Array [
+              "lastName must be at least 1 characters",
+            ],
+            "field": "lastName",
+          },
+          Object {
+            "errors": Array [
+              "age must be greater than or equal to 18",
+            ],
+            "field": "age",
+          },
+        ],
+        "message": "3 errors occurred",
+      },
+      "user": null,
+    },
+  },
+}
+`;
+
+exports[`should validate correctly - extensions field - object error - pass 1`] = `
+Object {
+  "data": Object {
+    "AddUserErrorObjectExtensions": Object {
+      "error": null,
+      "user": Object {
+        "age": 18,
+        "firstName": "Jon",
+        "id": 3,
+        "lastName": "Doe",
+      },
+    },
+  },
+}
+`;
+
 exports[`should validate correctly - object error - error 1`] = `
 Object {
   "data": Object {
@@ -125,6 +174,39 @@ Object {
 }
 `;
 
+exports[`should validate correctly - object error - error 2`] = `
+Object {
+  "data": Object {
+    "AddUserErrorObject": Object {
+      "error": Object {
+        "details": Array [
+          Object {
+            "errors": Array [
+              "firstName must be at least 1 characters",
+            ],
+            "field": "firstName",
+          },
+          Object {
+            "errors": Array [
+              "lastName must be at least 1 characters",
+            ],
+            "field": "lastName",
+          },
+          Object {
+            "errors": Array [
+              "age must be greater than or equal to 18",
+            ],
+            "field": "age",
+          },
+        ],
+        "message": "3 errors occurred",
+      },
+      "user": null,
+    },
+  },
+}
+`;
+
 exports[`should validate correctly - object error - pass 1`] = `
 Object {
   "data": Object {
@@ -141,6 +223,22 @@ Object {
 }
 `;
 
+exports[`should validate correctly - object error - pass 2`] = `
+Object {
+  "data": Object {
+    "AddUserErrorObject": Object {
+      "error": null,
+      "user": Object {
+        "age": 18,
+        "firstName": "Jon",
+        "id": 3,
+        "lastName": "Doe",
+      },
+    },
+  },
+}
+`;
+
 exports[`should validate correctly - string error - error 1`] = `
 Object {
   "data": Object {