Move auto update initialization back to AtomApplication.initialize
Move auto update initialization back to AtomApplication.initialize

This fixes some CI problems introduced in #17216

PKRoma/atom,liuderchi/atom,stinsonga/atom,atom/atom,t9md/atom,brettle/atom,brettle/atom,Mokolea/atom,brettle/atom,t9md/atom,andrewleverette/atom,andrewleverette/atom,Mokolea/atom,atom/atom,PKRoma/atom,liuderchi/atom,PKRoma/atom,liuderchi/atom,stinsonga/atom,liuderchi/atom,atom/atom,stinsonga/atom,stinsonga/atom,t9md/atom,Mokolea/atom,andrewleverette/atom