preview 10/21/2022 fixes (#234)

* initial fixes: everything working except toasts and patch notes

* tabshook changes, disable toaster for now

* prettier

* oops

* implement custom toaster because I am tired of Valve's shit

also fix QAM not injecting sometimes

* remove extra logging

* add findSP, fix patch notes, fix vscode screwup

* fix patch notes

* show error when plugin frontends fail to load

* add get_tab_lambda

* add css and has_element helpers to Tab

* small modals fixup

* Don't forceUpdate QuickAccess on stable

* add routes prop used to get tabs component

* add more dev utils to DFL global

frontend/src/developer.tsx

@@ -1,6 +1,9 @@
 import {
   ReactRouter,
   Router,
+  fakeRenderComponent,
+  findInReactTree,
+  findInTree,
   findModule,
   findModuleChild,
   gamepadDialogClasses,
@@ -71,6 +74,11 @@ export async function startup() {
   window.DFL = {
     findModuleChild,
     findModule,
+    ReactUtils: {
+      fakeRenderComponent,
+      findInReactTree,
+      findInTree,
+    },
     Router,
     ReactRouter,
     classes: {