[FIX] ViewerUtils.get*Items now also runs in non UI threads
[FIX] ViewerUtils.get*Items now also runs in non UI threads

bkahlert/com.bkahlert.nebula,bkahlert/com.bkahlert.nebula,bkahlert/com.bkahlert.nebula,bkahlert/com.bkahlert.nebula,bkahlert/com.bkahlert.nebula