[Redeem][Application] Given a UidRedeem for deleted uid, NullPointerException occurs and ListUserRedeemView cannot be processed.

[binchoo]

As-is:

Sep 21 02:44:05 ip-172-31-1-97 web: java.lang.NullPointerException: null
Sep 21 02:44:05 ip-172-31-1-97 web: at org.binchoo.paimonganyu.chatbot.views.redeem.UidRedeem.getRegion(UidRedeem.java:52) ~[classes!/:na]
Sep 21 02:44:05 ip-172-31-1-97 web: at org.binchoo.paimonganyu.chatbot.views.redeem.RedeemListView.renderImageTitle(RedeemListView.java:114) ~[classes!/:na]

Line 114: produces NullPointerException when the region value is null.

PaimonGanyu/PaimonGanyu/paimonganyu-app/paimonganyu-skill/src/main/java/org/binchoo/paimonganyu/chatbot/views/redeem/RedeemListView.java

Lines 112 to 118 in a5245d7

	private ImageTitle renderImageTitle(UidRedeem uidRedeem) {
	return ImageTitle.builder()
	.title(String.format(FORMAT_CHARACTER_INFO, uidRedeem.getRegion(), uidRedeem.getCharacterLevel(), uidRedeem.getCharacterName()))
	.description(String.format(FORMAT_UID, uidRedeem.getUidString()))
	.imageUrl(profileImageStrategy(uidRedeem.isLumine()))
	.build();
	}

To-be:
Line 85: should inject a temporary region value for deleted uids.

PaimonGanyu/PaimonGanyu/paimonganyu-app/paimonganyu-skill/src/main/java/org/binchoo/paimonganyu/chatbot/views/redeem/UidRedeem.java

Lines 84 to 89 in a5245d7

	private static Uid nonExisting(String uid) {
	return Uid.builder()
	.uidString(uid)
	.characterName("Deleted uid.")
	.build();
	}

[binchoo]