fix: canvas preview panic in Xcode resolved

Change-Id: I8d6a19063a13f772dc409bc5e523e1af9c109bee
Signed-off-by: Thomas Kosiewski <[email protected]>

Author: ThomasK33

Coder Desktop/Coder Desktop/State.swift

@@ -25,6 +25,7 @@ class AppState: ObservableObject {
     // Stored in Keychain
     @Published private(set) var sessionToken: String? {
         didSet {
+            guard persistent else { return }
             keychainSet(sessionToken, for: Keys.sessionToken)
         }
     }

Coder Desktop/Coder Desktop/Views/LoginForm.swift

@@ -221,6 +221,6 @@ enum LoginField: Hashable {
 #if DEBUG
     #Preview {
         LoginForm()
-            .environmentObject(AppState())
+            .environmentObject(AppState(persistent: false))
     }
 #endif

Coder Desktop/Coder Desktop/Views/VPNMenu.swift

@@ -104,8 +104,12 @@ func openSystemExtensionSettings() {
 
 #if DEBUG
     #Preview {
-        VPNMenu<PreviewVPN>().frame(width: 256)
+        let appState = AppState(persistent: false)
+        appState.login(baseAccessURL: URL(string: "http://127.0.0.1:8080")!, sessionToken: "")
+        // appState.clearSession()
+
+        return VPNMenu<PreviewVPN>().frame(width: 256)
             .environmentObject(PreviewVPN())
-            .environmentObject(AppState(persistent: false))
+            .environmentObject(appState)
     }
 #endif