Fix WebUI notification settings for new user and new report notifications (#19436)

Due to an error in operator priority, those settings would only show up if the
user role included the all-encompassing `administrator` permission and would
display `0` otherwise.

app/javascript/mastodon/features/notifications/components/column_settings.js

@@ -170,7 +170,7 @@ export default class ColumnSettings extends React.PureComponent {
           </div>
         </div>
 
-        {(this.context.identity.permissions & PERMISSION_MANAGE_USERS === PERMISSION_MANAGE_USERS) && (
+        {((this.context.identity.permissions & PERMISSION_MANAGE_USERS) === PERMISSION_MANAGE_USERS) && (
           <div role='group' aria-labelledby='notifications-admin-sign-up'>
             <span id='notifications-status' className='column-settings__section'><FormattedMessage id='notifications.column_settings.admin.sign_up' defaultMessage='New sign-ups:' /></span>
 
@@ -183,7 +183,7 @@ export default class ColumnSettings extends React.PureComponent {
           </div>
         )}
 
-        {(this.context.identity.permissions & PERMISSION_MANAGE_REPORTS === PERMISSION_MANAGE_REPORTS) && (
+        {((this.context.identity.permissions & PERMISSION_MANAGE_REPORTS) === PERMISSION_MANAGE_REPORTS) && (
           <div role='group' aria-labelledby='notifications-admin-report'>
             <span id='notifications-status' className='column-settings__section'><FormattedMessage id='notifications.column_settings.admin.report' defaultMessage='New reports:' /></span>