fix chrome warning on making events passive (#576)

14 jobs for master in 6 minutes and 42 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test Build Static
passed #556782
Test_N_Build

00:04:43

passed #556783
Test_N_Build:internal

00:04:43

 
  Build Docker Images
passed #556786
Nginx:Internal

00:01:16

passed #556784
Nginx:Live

00:00:58

passed #556787
Node:Internal

00:01:22

passed #556785
Node:Live

00:01:49

 
  Deploy
passed #556794
Internal:HL

00:00:06

passed #556792
Internal:HX

00:00:07

passed #556790
Live:HL

00:00:07

passed #556788
Live:HX

00:00:07

passed #556795
Pub:Internal-HL

00:00:06

passed #556793
Pub:Internal-HX

00:00:08

passed #556791
Pub:Live-HL

00:00:07

passed #556789
Pub:Live-HX

00:00:07