Port remaining Puppeteer tests over to Cypress (#9104)

* Port remaining Puppeteer tests over to Cypress

* Remove puppeteer support files

* Fix lifecycle matrixclientpeg setup race condition

* Alternative solution to the lifecycle problem

* Dismiss the notifications toast

src/components/structures/MatrixChat.tsx

@@ -1326,11 +1326,6 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
             this.showScreenAfterLogin();
         }
 
-        // Will be moved to a pre-login flow as well
-        if (PosthogAnalytics.instance.isEnabled() && SettingsStore.isLevelSupported(SettingLevel.ACCOUNT)) {
-            this.initPosthogAnalyticsToast();
-        }
-
         if (SdkConfig.get("mobile_guide_toast")) {
             // The toast contains further logic to detect mobile platforms,
             // check if it has been dismissed before, etc.
@@ -1646,6 +1641,12 @@ export default class MatrixChat extends React.PureComponent<IProps, IState> {
             // we implement more settings.
             cli.setGlobalErrorOnUnknownDevices(false);
         }
+
+        // Cannot be done in OnLoggedIn as at that point the AccountSettingsHandler doesn't yet have a client
+        // Will be moved to a pre-login flow as well
+        if (PosthogAnalytics.instance.isEnabled() && SettingsStore.isLevelSupported(SettingLevel.ACCOUNT)) {
+            this.initPosthogAnalyticsToast();
+        }
     }
 
     public showScreen(screen: string, params?: {[key: string]: any}) {