refactor: MergePersonaRequest가 String으로 입력받도록 수정한다

Author: devxb

src/main/kotlin/org/gitanimals/render/app/UserFacade.kt

@@ -47,8 +47,8 @@ class UserFacade(
 
         return userService.mergePersona(
             user.id.toLong(),
-            request.increasePersonaId,
-            request.deletePersonaId,
+            request.increasePersonaId.toLong(),
+            request.deletePersonaId.toLong(),
         )
     }
 }

src/main/kotlin/org/gitanimals/render/app/request/MergePersonaRequest.kt

@@ -1,6 +1,6 @@
 package org.gitanimals.render.app.request
 
 data class MergePersonaRequest(
-    val increasePersonaId: Long,
-    val deletePersonaId: Long,
+    val increasePersonaId: String,
+    val deletePersonaId: String,
 )