Finalize loading speed improvements for all data tables (this now closes #120)

This is a workaround for now. The tables are still DOM sourced because of too big dependencies between server side rendering and frontend JS code. The tables are initially load while tbody is hidden, this results in a speedup by around 65 %.

public/viewjs/stockjournal.js

@@ -18,6 +18,7 @@
 		});
 	}
 });
+$('#stock-journal-table tbody').removeClass("d-none");
 
 $("#product-filter").on("change", function()
 {