Update my-account sub-menus icons (#2977)

* Update user sub-menus icons

* Update admin sub-menu icons

* Add solendp to credits

Co-authored-by: kimsible <kimsible@users.noreply.github.com>

scripts/generate-code-contributors.ts

@@ -36,6 +36,7 @@ async function run () {
     console.log(' * `support` by Chocobozzz (CC-BY)')
     console.log(' * `language` by Aaron Jin (CC-BY)')
     console.log(' * `video-language` by Rigel Kent (CC-BY)')
+    console.log(' * `peertube-x` by Solen DP (CC-BY)')
   }
 }