Update element selector for Gemini chatbot readiness check

Author: robertpiosik

apps/browser/src/content-scripts/send-prompt-content-script/chatbots/gemini.ts

@@ -10,9 +10,7 @@ export const gemini: Chatbot = {
   wait_until_ready: async () => {
     await new Promise((resolve) => {
       const check_for_element = () => {
-        if (
-          document.querySelector('button[data-test-id="bard-mode-menu-button"]')
-        ) {
+        if (document.querySelector('bard-mode-switcher button')) {
           resolve(null)
         } else {
           setTimeout(check_for_element, 100)