[READY FOR REVIEW] Implement a "multi-amount" dialog (#7528)

* Implemented chooseTargetAmount and new GUI dialog (distribute damage, distribute mana)
* Added tests and AI support;
* Test framework: added aliases support in TargetAmount dialogs;

Co-authored-by: Oleg Agafonov <jaydi85@gmail.com>

Mage.Common/src/main/java/mage/interfaces/callback/ClientCallbackMethod.java

@@ -44,6 +44,7 @@ public enum ClientCallbackMethod {
     GAME_PLAY_MANA("gamePlayMana"),
     GAME_PLAY_XMANA("gamePlayXMana"),
     GAME_GET_AMOUNT("gameSelectAmount"),
+    GAME_GET_MULTI_AMOUNT("gameSelectMultiAmount"),
     DRAFT_INIT("draftInit"),
     DRAFT_PICK("draftPick"),
     DRAFT_UPDATE("draftUpdate");