erp5_officejs: update bt configuration (slideshow app)

5 jobs for master in 0 seconds
Status Job ID Name Coverage
  External
passed ERP5.CodingStyleTest-Master

01:22:42

passed ERP5.PerformanceTest-Master

00:24:10

failed ERP5.UnitTest-Master.Medusa

02:55:02

passed SlapOS.Eggs.UnitTest-Master.Python2

00:10:16

passed SlapOS.Eggs.UnitTest-Master.Python3

00:09:47