[watcher ui] json highlight not work when use triple quotes in watcher json editor

[FormatFa]

Kibana version:
8.13.4
Elasticsearch version:
8.13.4
Server OS version:
elastic cloud
Browser version:
edge 124.0.2478.97
Browser OS version:
win11
Original install method (e.g. download page, yum, from source, etc.):
elastic cloud
Describe the bug:
watcher json editor not work as excepted
Steps to reproduce:

1. open watcher ,add advance json , use triple quotes in transform script

Expected behavior:
can highlight like the version before(like 7.14.2)
Screenshots (if relevant):

Errors in browser console (if relevant):

Provide logs and/or server output (if relevant):

Any additional context:

[elasticmachine]

Pinging @elastic/response-ops (Team:ResponseOps)