fix: don't trigger url remote document load if urls is provided (via #5161)

* fix: don't trigger `url` remote document load if `urls` is provided

* better test block title

test/e2e-cypress/tests/bugs/5138.js

@@ -0,0 +1,10 @@
+describe("#5138: unwanted `url`/`urls` interactions", () => {
+  it("should stably render the first `urls` entry", () => {
+    cy
+      .visit("/pages/5138/")
+      .get("h2.title")
+      .contains("USPTO Data Set API")
+      .wait(3000)
+      .contains("USPTO Data Set API")
+  })
+})