Bump react-native to 0.73.1, expo to 50 (#2214)

* Bump to react-native@0.73, bump expo@next

Includes bumps for all expo deps and dev dependencies. Updates
react-native patch and others, and removes the babel-preset-expo patch.

* Remove duplicate Splash ref

* Bump more deps

* Properly install expo-notifications

* Bump webview dep

* Bump packages according to expo fix; remove pager-view patch as it is no longer needed

* Don't access expo-camera from Web

* Fix crypto dep on web

* Fix some type issues

* Build esnext modules to support dynamic imports

---------

Co-authored-by: Paul Frazee <pfrazee@gmail.com>

src/lib/hooks/usePermissions.web.ts

@@ -0,0 +1,16 @@
+export function usePhotoLibraryPermission() {
+  const requestPhotoAccessIfNeeded = async () => {
+    // On the, we use <input type="file"> to produce a filepicker
+    // This does not need any permission granting.
+    return true
+  }
+  return {requestPhotoAccessIfNeeded}
+}
+
+export function useCameraPermission() {
+  const requestCameraAccessIfNeeded = async () => {
+    return false
+  }
+
+  return {requestCameraAccessIfNeeded}
+}