fix infinite loop in token refresh

Author: adamint

src/commonMain/kotlin/com.adamratzman.spotify/SpotifyApi.kt

@@ -26,7 +26,6 @@ import com.adamratzman.spotify.models.SpotifyAuthenticationException
 import com.adamratzman.spotify.models.Token
 import com.adamratzman.spotify.models.TokenValidityResponse
 import com.adamratzman.spotify.models.serialization.toObject
-import com.adamratzman.spotify.utils.getCurrentTimeMs
 import com.adamratzman.spotify.utils.toList
 
 internal const val base = "https://api.spotify.com/v1"
@@ -70,7 +69,7 @@ abstract class SpotifyApi internal constructor(
             field = value
         }
     val logger = SpotifyLogger(enableLogger)
-    val expireTime: Long get() = getCurrentTimeMs() + token.expiresIn * 1000
+    val expireTime: Long get() = token.expiresAt
     var runExecutableFunctions = true
 
     abstract val search: SearchApi

src/commonMain/kotlin/com.adamratzman.spotify/http/HttpConnection.kt

@@ -135,7 +135,9 @@ class HttpConnection constructor(
                     api != null && api.automaticRefresh
                 ) {
                     api.refreshToken()
-                    return@runBlocking execute(additionalHeaders)
+                    val newAdditionalHeaders = additionalHeaders?.toMutableList() ?: mutableListOf()
+                    newAdditionalHeaders.add(0, HttpHeader("Authorization", "Bearer ${api.token.accessToken}"))
+                    return@runBlocking execute(newAdditionalHeaders, retryIf502)
                 }
 
                 return@runBlocking HttpResponse(