"set area" & "select objects" unconfigures

Game Version:

Build: newest
Platform: Steam
Operating System: Windows 10
Gamertag:

Issue:

“set area” and “select objects” configuration in triggers disapears when you unselect and reselect such trigger

Reproduction Steps:

new map > new trigger > new effect > kill object (example) > set area > do some area > deselect effect > reselect the effect
now, the select dissapears, but other things happends sometimes too:
select objects or set area is enabled, but when you want to see which object it is it resets or affects other selection configurations