Fix bad i18n in tree communion (CleverRaven#74830)

This only worked if you played the game in English

src/activity_handlers.cpp

@@ -3789,7 +3789,8 @@ void activity_handlers::tree_communion_do_turn( player_activity *act, Character
     q.push( loc );
     seen.insert( loc );
     const std::function<bool( const oter_id & )> filter = []( const oter_id & ter ) {
-        return ter.obj().is_wooded() || ter.obj().get_name() == "field";
+        // FIXME: this is terrible and should be a property instead of a name check...
+        return ter.obj().is_wooded() || ter.obj().get_name() == _( "field" );
     };
     while( !q.empty() ) {
         tripoint_abs_omt tpt = q.front();