Update JS dependencies (#21881)

- Update all JS deps
- Regenerate SVGs
- Add new eslint rules, fix issues
- Tested Mermaid, Swagger, Vue, Webpack, Citation

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>

web_src/js/features/clipboard.js

@@ -4,7 +4,7 @@ const {copy_success, copy_error} = window.config.i18n;
 
 export async function copyToClipboard(content) {
   if (content instanceof Blob) {
-    const item = new window.ClipboardItem({[content.type]: content});
+    const item = new ClipboardItem({[content.type]: content});
     await navigator.clipboard.write([item]);
   } else { // text
     try {

web_src/js/features/repo-legacy.js

@@ -463,10 +463,10 @@ export function initRepository() {
     $('.enable-system-radio').on('change', function () {
       if (this.value === 'false') {
         $($(this).data('target')).addClass('disabled');
-        if (typeof $(this).data('context') !== 'undefined') $($(this).data('context')).removeClass('disabled');
+        if ($(this).data('context') !== undefined) $($(this).data('context')).removeClass('disabled');
       } else if (this.value === 'true') {
         $($(this).data('target')).removeClass('disabled');
-        if (typeof $(this).data('context') !== 'undefined') $($(this).data('context')).addClass('disabled');
+        if ($(this).data('context') !== undefined) $($(this).data('context')).addClass('disabled');
       }
     });
     const $trackerIssueStyleRadios = $('.js-tracker-issue-style');

web_src/js/features/repo-migrate.js

@@ -9,7 +9,7 @@ export function initRepoMigrationStatusChecker() {
   $('#repo_migrating_progress_message').hide();
   if (migrating) {
     const task = migrating.attr('task');
-    if (typeof task === 'undefined') {
+    if (task === undefined) {
       return;
     }
     $.ajax({

web_src/js/features/tribute.js

@@ -21,7 +21,7 @@ function makeCollections({mentions, emoji}) {
       },
       lookup: (item) => item,
       selectTemplate: (item) => {
-        if (typeof item === 'undefined') return null;
+        if (item === undefined) return null;
         return emojiString(item.original);
       },
       menuItemTemplate: (item) => {