웹뷰 쿠키 관련 문제 수정 (#216)

* reset color scheme in the init phase

Apply SwiftFormat changes

* make cookie store persistent

Author: shp7724

SNUTT-2022/SNUTT/Extensions/ColorScheme.swift

@@ -31,3 +31,18 @@ extension ColorScheme {
         return nil
     }
 }
+
+extension UIUserInterfaceStyle {
+    func toColorScheme() -> ColorScheme {
+        switch self {
+        case .light:
+            return .light
+        case .dark:
+            return .dark
+        case .unspecified:
+            return .light
+        @unknown default:
+            return .light
+        }
+    }
+}

SNUTT-2022/SNUTT/Views/Components/WebViews/WebViewProtocol.swift

@@ -24,7 +24,7 @@ extension WebView {
 
 extension WKWebView {
     convenience init(cookies: [HTTPCookie]) {
-        let dataStore = WKWebsiteDataStore.nonPersistent()
+        let dataStore = WKWebsiteDataStore.default()
         let configuration = WKWebViewConfiguration()
         for cookie in cookies {
             dataStore.httpCookieStore.setCookie(cookie)
@@ -33,8 +33,12 @@ extension WKWebView {
         self.init(frame: .zero, configuration: configuration)
     }
 
+    var cookieStore: WKHTTPCookieStore {
+        configuration.websiteDataStore.httpCookieStore
+    }
+
     func setCookie(name: String, value: String) {
         guard let cookie = NetworkConfiguration.getCookie(name: name, value: value) else { return }
-        configuration.websiteDataStore.httpCookieStore.setCookie(cookie)
+        cookieStore.setCookie(cookie)
     }
 }

SNUTT-2022/SNUTT/Views/Scenes/ReviewScene.swift

@@ -20,6 +20,10 @@ struct ReviewScene: View {
         self.viewModel = viewModel
         _detailId = detailId
         self.isMainWebView = isMainWebView
+
+        /// It's too early to access `colorScheme` environment variable during the init phase.
+        /// Use the system color scheme instead.
+        eventSignal?.send(.colorSchemeChange(to: UITraitCollection.current.userInterfaceStyle.toColorScheme()))
     }
 
     private var eventSignal: PassthroughSubject<WebViewEventType, Never>? {