LU parser update body not correct.

[zhixzhan]

Describe the bug

Version

Browser

• Electron distribution
• Chrome
• Safari
• Firefox
• Edge

OS

• macOS
• Windows
• Ubuntu

To Reproduce

Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior

Screenshots

Additional context

[zhixzhan]

The reason is parser doesn't include $a in last intent's body.

#CheckEmail
- check my email
- show my emails
$a // not included in #CheckEmail

#CheckJunkEmail
...

[boydc2014]

looks like a bug @feich-ms can you help take a look

[feich-ms]

Fixed in PR #910