Fix user profile description rendering (#23882) (#23902)

Backport #23882 by @wxiaoguang

Found an UI problem when testing #23874

The `ul li` styles were polluted.

Before:


![image](https://user-images.githubusercontent.com/2114189/229409756-22438268-ee36-4e4a-a20b-04ee8ee4a79d.png)


After:


![image](https://user-images.githubusercontent.com/2114189/229409809-25cea715-b6f1-4346-9bb4-3fbb58fcca65.png)

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

web_src/css/user.css

@@ -15,26 +15,26 @@
   padding: 0;
 }
 
-.user.profile .ui.card .extra.content ul {
+.user.profile .ui.card .extra.content > ul {
   margin: 0;
   padding: 0;
 }
 
-.user.profile .ui.card .extra.content ul li {
+.user.profile .ui.card .extra.content > ul > li {
   padding: 10px;
   list-style: none;
 }
 
-.user.profile .ui.card .extra.content ul li:not(:last-child) {
+.user.profile .ui.card .extra.content > ul > li:not(:last-child) {
   border-bottom: 1px solid var(--color-secondary);
 }
 
-.user.profile .ui.card .extra.content ul li .svg {
+.user.profile .ui.card .extra.content > ul > li .svg {
   margin-left: 1px;
   margin-right: 5px;
 }
 
-.user.profile .ui.card .extra.content ul li.follow .ui.button {
+.user.profile .ui.card .extra.content > ul > li.follow .ui.button {
   width: 100%;
 }
 
@@ -112,7 +112,7 @@
   margin: -3px !important;
 }
 
-.user-orgs li {
+.user-orgs > li {
   display: flex;
   border-bottom: 0 !important;
   padding: 3px !important;