LLD: Trigger expression is cut off when using newlines in trigger's prototype expression:

To reproduce. Take default Linux template, assign it to Zabbix server.
Change trigger expression in Mounted filesystem discovery to something with newlines like so:

{Template OS Linux:vfs.fs.size[{#FSNAME},pfree].last(0)}<20
or
{Template OS Linux:vfs.fs.size[{#FSNAME},pfree].last(0)}<20

Wait for LLD new discovery (change LLD update to 30)
See the results similar to the screenshot: