re-implemented item search via choose-elem-button for exact matching regardless of locale

cybersyn/scripts/gui/stations.lua

@@ -135,7 +135,7 @@ function stations_tab.build(map_data, player_data, query_limit)
 				for _, signal_ID in pairs(comb1_signals) do
 					local item = signal_ID.signal.name
 					if item then
-						if string.match(item, search_item) then
+						if item == search_item then
 							goto has_match
 						end
 					end