fix: Adjust tabs and toaster hooks to work on react 18, also half-fix Valve Internal

frontend/src/toaster.tsx

@@ -1,4 +1,13 @@
-import { Module, Patch, ToastData, afterPatch, findInReactTree, findModuleChild, sleep } from 'decky-frontend-lib';
+import {
+  Module,
+  Patch,
+  ToastData,
+  afterPatch,
+  findInReactTree,
+  findModuleChild,
+  getReactRoot,
+  sleep,
+} from 'decky-frontend-lib';
 import { ReactNode } from 'react';
 
 import Toast from './components/Toast';
@@ -38,10 +47,10 @@ class Toaster extends Logger {
     //   </DeckyToasterStateContextProvider>
     // ));
     let instance: any;
-    const tree = (document.getElementById('root') as any)._reactRootContainer._internalRoot.current;
+    const tree = getReactRoot(document.getElementById('root') as any);
     const findToasterRoot = (currentNode: any, iters: number): any => {
-      if (iters >= 65) {
-        // currently 65
+      if (iters >= 80) {
+        // currently 66
         return null;
       }
       if (