[Backport] Clamp user session index if invalid

Signed-off-by: AnErrupTion <anerruption@disroot.org>

src/main.zig

@@ -529,7 +529,7 @@ pub fn main() !void {
 
             active_input = .password;
 
-            if (user.session_index < session.label.list.items.len) session.label.current = user.session_index;
+            session.label.current = @min(user.session_index, session.label.list.items.len - 1);
         }
     }
 

src/tui/components/UserList.zig

@@ -71,8 +71,7 @@ pub fn getCurrentUsername(self: UserList) []const u8 {
 
 fn usernameChanged(user: User, maybe_session: ?*Session) void {
     if (maybe_session) |session| {
-        if (user.session_index.* >= session.label.list.items.len) return;
-        session.label.current = user.session_index.*;
+        session.label.current = @min(user.session_index.*, session.label.list.items.len - 1);
     }
 }