[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

cockatrice/src/interface/widgets/tabs/tab_supervisor.h

@@ -24,6 +24,7 @@
 #include <QProxyStyle>
 #include <QTabWidget>
 
+class TabCardArtRules;
 inline Q_LOGGING_CATEGORY(TabSupervisorLog, "tab_supervisor");
 
 class UserListManager;
@@ -103,6 +104,7 @@ private:
     TabDeckStorage *tabDeckStorage;
     TabReplays *tabReplays;
     TabAdmin *tabAdmin;
+    TabCardArtRules *tabCardArtRules;
     TabLog *tabLog;
     QMap<int, TabRoom *> roomTabs;
     QMap<int, TabGame *> gameTabs;
@@ -112,7 +114,8 @@ private:
     bool isLocalGame;
 
     QAction *aTabHome, *aTabDeckEditor, *aTabVisualDeckEditor, *aTabEdhRec, *aTabArchidekt, *aTabVisualDeckStorage,
-        *aTabVisualDatabaseDisplay, *aTabServer, *aTabAccount, *aTabDeckStorage, *aTabReplays, *aTabAdmin, *aTabLog;
+        *aTabVisualDatabaseDisplay, *aTabServer, *aTabAccount, *aTabDeckStorage, *aTabReplays, *aTabAdmin,
+        *aTabCardArtRules, *aTabLog;
 
     int myAddTab(Tab *tab, QAction *manager = nullptr);
     void addCloseButtonToTab(Tab *tab, int tabIndex, QAction *manager);
@@ -197,6 +200,8 @@ private slots:
     void openTabDeckStorage();
     void openTabReplays();
     void openTabAdmin();
+    void actTabCardArtRules(bool checked);
+    void openTabCardArtRules();
     void openTabLog();
 
     void updateCurrent(int index);