feat(i18n): 주요 UI 하드코딩 문구를 I18n 키로 통일한다

SodaLive/Sources/Dialog/ApplyAuditionCompleteDialog.swift

@@ -20,12 +20,12 @@ struct ApplyAuditionCompleteDialog: View {
                 .opacity(0.5)
             
             VStack(spacing: 0) {
-                Text("오디션 지원")
+                Text(I18n.Audition.Apply.title)
                     .appFont(size: 18.3, weight: .bold)
                     .foregroundColor(Color.grayee)
                     .padding(.top, 26.7)
-                
-                Text("보이스온 오디션에 지원해 주셔서 감사합니다.")
+
+                Text(I18n.Dialog.ApplyAuditionComplete.thankYouDescription)
                     .appFont(size: 15, weight: .medium)
                     .foregroundColor(Color.graybb)
                     .padding(.top, 15)
@@ -40,7 +40,7 @@ struct ApplyAuditionCompleteDialog: View {
                     .foregroundColor(Color.graybb)
                     .padding(.top, 10)
                 
-                Text("확인")
+                Text(I18n.Common.confirm)
                     .appFont(size: 18.3, weight: .bold)
                     .foregroundColor(Color.white)
                     .padding(.vertical, 16)