Use SearchablePeopleList for add user to list dialog, replace old modal (#8212)

* move to dialogs dir

* make searchable people list more generic

* new list-add-remove-users dialog

* update header text

* fix header on android

* delete old modal

* reduce spacing on items

src/state/modals/index.tsx

@@ -1,6 +1,6 @@
 import React from 'react'
-import {Image as RNImage} from 'react-native-image-crop-picker'
-import {AppBskyActorDefs, AppBskyGraphDefs} from '@atproto/api'
+import {type Image as RNImage} from 'react-native-image-crop-picker'
+import {type AppBskyActorDefs, type AppBskyGraphDefs} from '@atproto/api'
 
 import {useNonReactiveCallback} from '#/lib/hooks/useNonReactiveCallback'
 
@@ -26,15 +26,6 @@ export interface UserAddRemoveListsModal {
   onRemove?: (listUri: string) => void
 }
 
-export interface ListAddRemoveUsersModal {
-  name: 'list-add-remove-users'
-  list: AppBskyGraphDefs.ListView
-  onChange?: (
-    type: 'add' | 'remove',
-    profile: AppBskyActorDefs.ProfileViewBasic,
-  ) => void
-}
-
 export interface CropImageModal {
   name: 'crop-image'
   uri: string
@@ -107,7 +98,6 @@ export type Modal =
   // Lists
   | CreateOrEditListModal
   | UserAddRemoveListsModal
-  | ListAddRemoveUsersModal
 
   // Posts
   | CropImageModal