feat(i18n): 마이페이지 하드코딩 문구를 I18n 키로 통일한다

SodaLive/Sources/MyPage/Can/Charge/CanChargeView.swift

@@ -25,7 +25,7 @@ struct CanChargeView: View {
     var body: some View {
         BaseView(isLoading: $storeManager.isLoading) {
             VStack(spacing: 13.3) {
-                DetailNavigationBar(title: "충전하기")
+                DetailNavigationBar(title: I18n.MyPage.Can.chargeTitle)
                 
                 if UserDefaults.bool(forKey: .auth) {
                     CanChargeTabView(currentTab: $currentTab)
@@ -121,16 +121,7 @@ struct CanPgItemView: View {
 
 // MARK: - Localize "캔" unit inside arbitrary text based on current app language
 fileprivate func localizeCanWord(in text: String) -> String {
-    let unit: String
-    switch LanguageHeaderProvider.current {
-    case "ko":
-        unit = "캔"
-    case "ja":
-        unit = "can"
-    default:
-        unit = "cans"
-    }
-    return text.replacingOccurrences(of: "캔", with: unit)
+    text.replacingOccurrences(of: I18n.MyPage.Can.koreanUnitToken, with: I18n.MyPage.Can.localizedUnit)
 }
 
 struct CanChargeTabView: View {