Revert "fix(Prejoin): Make prejoin name noneditable only when taken from jwt"

This reverts commit af7c316827.

react/features/prejoin/components/Prejoin.js

@@ -4,6 +4,7 @@ import InlineDialog from '@atlaskit/inline-dialog';
 import React, { Component } from 'react';
 
 import { getRoomName } from '../../base/conference';
+import { isNameReadOnly } from '../../base/config';
 import { translate } from '../../base/i18n';
 import { IconArrowDown, IconArrowUp, IconPhone, IconVolumeOff } from '../../base/icons';
 import { isVideoMutedByUser } from '../../base/media';
@@ -20,8 +21,7 @@ import {
     isDeviceStatusVisible,
     isDisplayNameRequired,
     isJoinByPhoneButtonVisible,
-    isJoinByPhoneDialogVisible,
-    isPrejoinNameReadOnly
+    isJoinByPhoneDialogVisible
 } from '../functions';
 
 import DropdownButton from './DropdownButton';
@@ -388,7 +388,7 @@ function mapStateToProps(state): Object {
         showDialog: isJoinByPhoneDialogVisible(state),
         showErrorOnJoin,
         hasJoinByPhoneButton: isJoinByPhoneButtonVisible(state),
-        readOnlyName: isPrejoinNameReadOnly(state),
+        readOnlyName: isNameReadOnly(state),
         showCameraPreview: !isVideoMutedByUser(state),
         videoTrack: getLocalJitsiVideoTrack(state)
     };

react/features/prejoin/functions.js

@@ -36,16 +36,6 @@ export function isDisplayNameRequired(state: Object): boolean {
         || state['features/base/config'].requireDisplayName;
 }
 
-/**
- * Selector for determining if the display name from prejoin page is read only.
- *
- * @param {Object} state - The state of the app.
- * @returns {boolean}
- */
-export function isPrejoinNameReadOnly(state: Object): boolean {
-    return Boolean(state['features/base/jwt']?.user?.name);
-}
-
 /**
  * Selector for determining if the user has chosen to skip prejoin page.
  *