[Room][UserList] Introduce style delegate (#6981)

* [Room] Additionally show a tab for friends and ignored users instead of just all online users.

Took 21 minutes


Took 12 minutes

* [Room][UserList] Introduce style delegate for user list
- Allow users to set a card name and parameters as their background banner
- Allow mods to white/blacklist cards
- Allow toggling back to the old display style

Took 7 minutes

Took 28 seconds

Took 2 minutes

Took 2 minutes

* Right checkstate.

Took 14 minutes


Took 2 minutes

* Utility for test.

Took 9 minutes

Took 8 seconds

Took 2 seconds

* Lint.

Took 10 minutes

* Algorithm for sql schema migration

Took 13 minutes

* Use {prefix}, bound card name, return errors.

Took 27 seconds

* Convert queue to while loop.

Took 19 seconds

* Hover popup.

Took 36 minutes

Took 1 minute

* More granular signals, popup for user info.

Took 25 minutes

Took 8 seconds

Took 16 minutes

---------

Co-authored-by: Lukas Brübach <Bruebach.Lukas@bdosecurity.de>

cockatrice/src/interface/widgets/server/user/user_context_menu.h

@@ -74,6 +74,27 @@ public:
                          int playerId,
                          const QString &deckHash,
                          ChatView *chatView = nullptr);
+
+    const UserListProxy *getUserListProxy() const
+    {
+        return userListProxy;
+    }
+
+    // Individual action entry points — used by UserInfoPopup to trigger
+    // actions without re-running the full context menu flow.
+    void execChat(const QString &userName);
+    void execDetails(const QString &userName);
+    void execShowGames(const QString &userName);
+    void execAddToBuddy(const QString &userName);
+    void execRemoveFromBuddy(const QString &userName);
+    void execAddToIgnore(const QString &userName);
+    void execRemoveFromIgnore(const QString &userName);
+    void execBan(const QString &userName);
+    void execWarn(const QString &userName);
+    void execBanHistory(const QString &userName);
+    void execWarnHistory(const QString &userName);
+    void execAdminNotes(const QString &userName);
+    void execAdjustMod(const QString &userName, bool shouldBeMod, bool shouldBeJudge);
 };
 
 #endif