Remove roomId from devtools view.

Author: Half-Shot

playwright/e2e/devtools/devtools.spec.ts

@@ -23,10 +23,9 @@ test.describe("Devtools", () => {
         await dialog.getByLabel("Developer mode").check();
 
         await expect(dialog).toMatchScreenshot("devtools-dialog.png", {
-            mask: [
-                // Contains mxid.
-                dialog.locator(".mx_CopyableText"),
-            ],
+            css: `.mx_CopyableText {
+                display: none;
+            }`
         });
     });
 });