[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

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

libcockatrice_utility/CMakeLists.txt

@@ -17,6 +17,7 @@ set(UTILITY_HEADERS
     libcockatrice/utility/passwordhasher.h
     libcockatrice/utility/trice_limits.h
     libcockatrice/utility/zone_names.h
+    libcockatrice/utility/days_years_between.h
 )
 
 add_library(libcockatrice_utility STATIC ${UTILITY_SOURCES} ${UTILITY_HEADERS})

libcockatrice_utility/libcockatrice/utility/days_years_between.h

@@ -1,3 +1,6 @@
+#ifndef COCKATRICE_DAYS_YEARS_BETWEEN_H
+#define COCKATRICE_DAYS_YEARS_BETWEEN_H
+
 #include <QDateTime>
 
 inline static QPair<int, int> getDaysAndYearsBetween(const QDate &then, const QDate &now)
@@ -6,3 +9,5 @@ inline static QPair<int, int> getDaysAndYearsBetween(const QDate &then, const QD
     int days = then.addYears(years).daysTo(now);
     return {days, years};
 }
+
+#endif // COCKATRICE_DAYS_YEARS_BETWEEN_H