fix: Modify the incorrect stringSet on the Banned user list (#1008)

[SBISSUE-15260](https://sendbird.atlassian.net/browse/SBISSUE-15260)

### ChangeLog & Fix
* Modify the incorrect stringSet on the BannedUsersModal
* `CHANNEL_SETTING__MUTED_MEMBERS__TITLE` to
`CHANNEL_SETTING__BANNED_MEMBERS__TITLE`
* `CHANNEL_SETTING__MODERATION__BAN` to
`CHANNEL_SETTING__MODERATION__UNBAN`
* also fixed the `dataSbId` of the MenuItem:
`channel_setting_banned_user_context_menu_ban` to
`channel_setting_banned_user_context_menu_unban`

Author: HoonBaek

src/modules/ChannelSettings/components/ModerationPanel/BannedUsersModal.tsx

@@ -41,7 +41,7 @@ export default function BannedUsersModal({
         hideFooter
         onCancel={() => onCancel()}
         onSubmit={noop}
-        titleText={stringSet.CHANNEL_SETTING__MUTED_MEMBERS__TITLE}
+        titleText={stringSet.CHANNEL_SETTING__BANNED_MEMBERS__TITLE}
       >
         <div
           className="sendbird-more-members__popup-scroll"
@@ -96,9 +96,9 @@ export default function BannedUsersModal({
                             }));
                           });
                         }}
-                        dataSbId="channel_setting_banned_user_context_menu_ban"
+                        dataSbId="channel_setting_banned_user_context_menu_unban"
                       >
-                        {stringSet.CHANNEL_SETTING__MODERATION__BAN}
+                        {stringSet.CHANNEL_SETTING__MODERATION__UNBAN}
                       </MenuItem>
                     </MenuItems>
                   )}