Patch to add header to client-side requests in Remix

@remix-run+react+1.18.0.patch

diff --git a/node_modules/@remix-run/react/dist/data.js b/node_modules/@remix-run/react/dist/data.js
index b3b935f..58a4874 100644
--- a/node_modules/@remix-run/react/dist/data.js
+++ b/node_modules/@remix-run/react/dist/data.js
@@ -61,6 +61,12 @@ async function fetchData(request, routeId, retry = 0) {
       init.body = await request.formData();
     }
   }
+  init.headers = {
+    ...init.headers,
+    ...{
+      "X-Remix-Test": "test"
+    }
+  };
   if (retry > 0) {
     // Retry up to 3 times waiting 50, 250, 1250 ms
     // between retries for a total of 1550 ms before giving up.
diff --git a/node_modules/@remix-run/react/dist/esm/data.js b/node_modules/@remix-run/react/dist/esm/data.js
index 2727874..0e594e2 100644
--- a/node_modules/@remix-run/react/dist/esm/data.js
+++ b/node_modules/@remix-run/react/dist/esm/data.js
@@ -57,6 +57,12 @@ async function fetchData(request, routeId, retry = 0) {
       init.body = await request.formData();
     }
   }
+  init.headers = {
+    ...init.headers,
+    ...{
+      "X-Remix-Test": "test"
+    }
+  };
   if (retry > 0) {
     // Retry up to 3 times waiting 50, 250, 1250 ms
     // between retries for a total of 1550 ms before giving up.