Made ui updates to be called less often

fixed PC configurator not being updated (probably)
and made PsiOmegaDelta happy

code/modules/modular_computers/file_system/programs/file_browser.dm

@@ -134,9 +134,8 @@
 			return 1
 		var/datum/computer_file/C = F.clone(0)
 		HDD.store_file(C)
-
-	nanomanager.update_uis(NM)
-	return 0
+	if(.)
+		nanomanager.update_uis(NM)
 
 /datum/computer_file/program/filemanager/proc/parse_tags(var/t)
 	t = replacetext(t, "\[center\]", "<center>")