Tracking: bump item to top of history when tracked another time (close #40)

www/assets/js/toolbox_track.js

@@ -94,7 +94,14 @@ function openTrackingHistory(code) {
                 } else {
                     history = JSON.parse(history);
                 }
-                if (infocontext.code != "" && !history.includes(infocontext.code)) {
+                if (infocontext.code != "") {
+                    // Search the history list and remove the current code if it's there
+                    for (var i = 0; i < history.length; i++) {
+                        if (history[i] == infocontext.code) {
+                            history.splice(i, 1);
+                        }
+                    }
+                    // Add the code back to the list so it's at the top
                     history.push(infocontext.code);
                 }
                 while (history.length > 5) {