use ref. if really needed (#19518)

* use ref. if really needed

* replace browse_rsc with the macro for it

code/modules/admin/view_variables/debug_variables.dm

@@ -47,7 +47,7 @@
 		var/icon/icon_value = icon(value)
 		var/rnd = rand(1,10000)
 		var/rname = "tmp[REF(icon_value)][rnd].png"
-		usr << browse_rsc(icon_value, rname)
+		send_rsc(usr, icon_value, rname)
 		return "(" + span_value("[value]") + ") <img class=icon src=\"[rname]\">"
 		#else
 		return "/icon (" + span_value("[value]") + ")"

code/modules/admin/view_variables/view_variables.dm

@@ -73,7 +73,7 @@ ADMIN_VERB_AND_CONTEXT_MENU(debug_variables, (R_DEBUG|R_SERVER|R_ADMIN|R_SPAWN|R
 	var/sprite_text
 	if(sprite)
 		hash = md5(sprite)
-		src << browse_rsc(sprite, "vv[hash].png")
+		send_rsc(src, sprite, "vv[hash].png")
 		sprite_text = no_icon ? "\[NO ICON\]" : "<img src='vv[hash].png'></td><td>"
 
 	title = "[thing] ([REF(thing)]) = [type]"