Update JS deps (#36354)

- Update all JS deps
- Regenerate SVGs
- Enable new lint rules and fix issues
- Tested affected dependencies

web_src/js/features/admin/common.ts

@@ -122,7 +122,7 @@ function initAdminAuthentication() {
           document.querySelector<HTMLInputElement>(`#oauth2_${custom}`)!.value = document.querySelector<HTMLInputElement>(`#${provider}_${custom}`)!.value;
         }
         const customInput = document.querySelector(`#${provider}_${custom}`);
-        if (customInput && customInput.getAttribute('data-available') === 'true') {
+        if (customInput?.getAttribute('data-available') === 'true') {
           for (const input of document.querySelectorAll(`.oauth2_${custom} input`)) {
             input.setAttribute('required', 'required');
           }

web_src/js/features/comp/ComboMarkdownEditor.ts

@@ -369,7 +369,7 @@ export class ComboMarkdownEditor {
     hideElem(this.textareaMarkdownToolbar);
   }
 
-  value(v: any = undefined) {
+  value(v?: any) {
     if (v === undefined) {
       if (this.easyMDE) {
         return this.easyMDE.value();