It is really weird but all value between two html tag are considered to be SQL.
As you can see the 'View' word is highlighted (I tested with other SQL keyword like 'INSERT' and it also highlight it)
This is inside a file named '_rightsManagement.html.twig'
My phpStorm version is :
Build #PS-183.5429.47, built on February 8, 2019
Licensed to Leandro Saraiva Maia
Subscription is active until April 18, 2019
For educational use only.
JRE: 1.8.0_152-release-1343-b26 amd64
JVM: OpenJDK 64-Bit Server VM by JetBrains s.r.o