refactor: update plugins to use $self (#478)

Co-authored-by: Ven <vendicated@riseup.net>

src/plugins/memberCount.tsx

@@ -99,7 +99,7 @@ export default definePlugin({
         find: ".isSidebarVisible,",
         replacement: {
             match: /(var (.)=.\.className.+?children):\[(.\.useMemo[^}]+"aria-multiselectable")/,
-            replace: "$1:[$2.startsWith('members')?Vencord.Plugins.plugins.MemberCount.render():null,$3"
+            replace: "$1:[$2.startsWith('members')?$self.render():null,$3"
         }
     }],