Use X instead of Twitter for social buttons

Twitter was rebranded to X in 2023.

Author: alanorth

config/config.example.yml

@@ -798,7 +798,7 @@ addToAnyPlugin:
   # 3. You will get a HTML e.g. <a class="a2a_button_facebook"></a> where "facebook" is part you want to include in list
   buttons:
     - facebook
-    - twitter
+    - x
     - linkedin
     - email
     - copy_link

src/app/social/social.component.spec.ts

@@ -38,7 +38,7 @@ describe('SocialComponent', () => {
 
   it('should initialize properties from socialService configuration on ngOnInit', () => {
     const config = {
-      buttons: ['facebook', 'twitter'],
+      buttons: ['facebook', 'x'],
       showPlusButton: true,
       showCounters: true,
       title: 'Test Title',