[Localisation(ja)] Translated save-slot-select-ui-handler.ts (#3475)

* Translated save-slot-select-ui-handler.ts

"Wave" needs special coding to look correct.

* Update save-slot-select-ui-handler.ts

missed a space, punctuation

* Update save-slot-select-ui-handler.ts

* Update save-slot-select-ui-handler.ts

src/locales/ja/save-slot-select-ui-handler.ts

@@ -1,9 +1,9 @@
 import { SimpleTranslationEntries } from "#app/interfaces/locales";
 
 export const saveSlotSelectUiHandler: SimpleTranslationEntries = {
-  "overwriteData": "せんたくしたスロットにデータをうわがきしますか？",
+  "overwriteData": "選択した　スロットに　データを　上書きします？",
-  "loading": "ローディング...",
+  "loading": "読込中…",
-  "wave": "Wave",
+  "wave": "波",//This needs to be preceded by 第[x],e.g.第１波、第２４８波
   "lv": "Lv",
   "empty": "なし",
 } as const;