Repopulate UserInfoPopup with login (for when opened with id:) (#5739)

Co-authored-by: Felanbird <41973452+Felanbird@users.noreply.github.com>

CHANGELOG.md

@@ -78,6 +78,7 @@
 - Bugfix: Fixed incorrect messages getting replaced visually. (#5683)
 - Bugfix: Fixed rendering of multi-line selection that starts at a trailing space. (#5691)
 - Bugfix: Fixed pause indicator not appearing in certain cases. (#5707)
+- Bugfix: Fixed usercards not showing the login name in specific cases. (#5738)
 - Dev: Default build with Qt6 on all platforms. (#5716)
 - Dev: Update Windows build from Qt 6.5.0 to Qt 6.7.1. (#5420)
 - Dev: Update vcpkg build Qt from 6.5.0 to 6.7.0, boost from 1.83.0 to 1.85.0, openssl from 3.1.3 to 3.3.0. (#5422)

src/widgets/dialogs/UserInfoPopup.cpp

@@ -862,6 +862,8 @@ void UserInfoPopup::updateUserData()
         if (this->userName_.isEmpty())
         {
             this->userName_ = user.login;
+            this->ui_.nameLabel->setText(user.login);
+
             // Ensure recent messages are shown
             this->updateLatestMessages();
         }