Use upstream's settings for CW auto-expand and column swiping (#1770)

* Use Mastodon server-side settings for automatically expanding toots with CWs

* Add modal warning about settings changes

* Use Mastodon server-side settings for disabling swiping

app/javascript/flavours/glitch/util/backend_links.js

@@ -7,3 +7,12 @@ export const statusAdminLink = (account_id, status_id) => `/admin/accounts/${acc
 export const filterEditLink = (id) => `/filters/${id}/edit`;
 export const relationshipsLink = '/relationships';
 export const securityLink = '/auth/edit';
+export const preferenceLink = (setting_name) => {
+  switch (setting_name) {
+  case 'user_setting_expand_spoilers':
+  case 'user_setting_disable_swiping':
+    return `/settings/preferences/appearance#${setting_name}`;
+  default:
+    return preferencesLink;
+  }
+};