Refresh dialog window every X seconds

[pinyazhin (Roman Pinyazhin)]

Hello!

Jmix 2.1 will have the Timer facet: Implement Timer facet · Issue #2106 · jmix-framework/jmix · GitHub

For Jmix 2.0, take a look at custom implementation of timer: Alternative to Timer.java class of cuba in jmix 2.0