Enable cookies (#759)

Signed-off-by: Arnau Mora <[email protected]>

Author: ArnyminerZ

app/src/main/java/at/bitfire/icsdroid/AppHttpClient.kt

@@ -17,6 +17,7 @@ import io.ktor.client.engine.HttpClientEngine
 import io.ktor.client.engine.okhttp.OkHttp
 import io.ktor.client.plugins.HttpTimeout
 import io.ktor.client.plugins.UserAgent
+import io.ktor.client.plugins.cookies.HttpCookies
 import okhttp3.brotli.BrotliInterceptor
 import okhttp3.internal.tls.OkHostnameVerifier
 import javax.net.ssl.SSLContext
@@ -81,6 +82,9 @@ class AppHttpClient @AssistedInject constructor(
             socketTimeoutMillis = 60_000
         }
 
+        // Enable cookie storage - in memory, will be lost on app restart
+        install(HttpCookies)
+
         // Disable redirect following, it's handled by CalendarFetcher
         followRedirects = false
     }