[Game] Add shortcuts for same size and hand size - 1 mulligans (#6483)

Took 21 minutes

Took 3 seconds

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

cockatrice/src/game/player/menu/hand_menu.h

@@ -46,6 +46,8 @@ private:
 
     QAction *aViewHand = nullptr;
     QAction *aMulligan = nullptr;
+    QAction *aMulliganSame = nullptr;
+    QAction *aMulliganMinusOne = nullptr;
 
     QMenu *mSortHand = nullptr;
     QAction *aSortHandByName = nullptr;