t/selenium.mjs: Filter React DevTools log spam

"Download the React DevTools for a better development experience" is logged to
the console on each new page load, and there's no way to suppress it outside of
production, but we can filter it out within the log inspector callback.

Author: mwiencek

t/selenium.mjs

@@ -1149,6 +1149,13 @@ async function runCommands(stest, commands, t) {
 
           const inspector = await logInspector(driver);
           await inspector.onConsoleEntry(function (log) {
+            if (
+              log.type === 'console' &&
+              log.level === 'info' &&
+              /React DevTools/.test(log.text)
+            ) {
+              return;
+            }
             t.comment(`[${log.type}] [${log.level}] ${log.text}`);
           });