fix: miro - use the incoming domain to ensure access to logged in boards works (#1756)

app/embeds/Miro.test.js

@@ -13,6 +13,12 @@ describe("Miro", () => {
     expect("https://miro.com/app/board/o9J_k0fwiss=".match(match)).toBeTruthy();
   });
 
+  test("to extract the domain as part of the match for later use", () => {
+    expect(
+      "https://realtimeboard.com/app/board/o9J_k0fwiss=".match(match)[1]
+    ).toBe("realtimeboard");
+  });
+
   test("to not be enabled elsewhere", () => {
     expect("https://miro.com".match(match)).toBe(null);
     expect("https://realtimeboard.com".match(match)).toBe(null);