Update table-sort.js

Make sure each table is processed once by adding the class name "table-processed". This prevents re-processing tables and attaching repeated arrows and click events in scenarios where new tables are dynamically added to a web page/application. Now, only new tables are made sortable.

public/table-sort.js

@@ -114,6 +114,11 @@ function tableSortJs(testingTableSortJS = false, domDocumentWindow = document) {
   }
 
   function makeTableSortable(sortableTable) {
+    if (sortableTable.classList.contains("table-processed")) {
+        return;
+    } else {
+        sortableTable.classList.add("table-processed");
+    }
     const table = {
       bodies: getTableBodies(sortableTable),
       theads: sortableTable.querySelectorAll("thead"),