Replace lodash functions with ES6 equivalents in settings.js (#2671)

* Replace lodash functions with ES6 equivalents in settings.js

- Replace lodash.orderBy with native JavaScript sort
- Replace lodash.get with optional chaining and nullish coalescing operators

Fixes #2398

* Fix code formatting with Prettier

* remove comments

---------

Co-authored-by: openhands <openhands@all-hands.dev>

Author: corsacca

dt-assets/js/settings.js

@@ -262,7 +262,9 @@ jQuery('#add_unavailable_dates').on('click', function () {
 let display_dates_unavailable = (list = [], first_run) => {
   let date_unavailable_table = jQuery('#unavailable-list');
   let rows = ``;
-  list = window.lodash.orderBy(list, ['start_date'], 'desc');
+  list = [...list].sort((a, b) => {
+    return new Date(b.start_date) - new Date(a.start_date);
+  });
   list.forEach((range) => {
     rows += `<tr>
         <td>${window.SHAREDFUNCTIONS.escapeHTML(range.start_date)}</td>
@@ -295,13 +297,9 @@ let color_workload_buttons = (name) => {
   if (name) {
     let selected = jQuery(`.status-button[name=${name}]`);
     selected.removeClass('hollow');
-    selected.css(
-      'background-color',
-      window.lodash.get(
-        window.wpApiSettingsPage,
-        `workload_status_options.${name}.color`,
-      ),
-    );
+    const color =
+      window.wpApiSettingsPage?.workload_status_options?.[name]?.color ?? '';
+    selected.css('background-color', color);
     selected.blur();
   }
 };