Use same app_id type accross configs

client/src/config.rs

@@ -72,7 +72,7 @@ impl From<&RuntimeConfig> for SyncClientConfig {
 		SyncClientConfig {
 			confidence: val.confidence,
 			disable_rpc: val.disable_rpc,
-			is_last_step: val.app_id.is_none(),
+			app_id: val.app_id,
 		}
 	}
 }

core/src/sync_client.rs

@@ -251,7 +251,7 @@ pub async fn run(
 		}
 	}
 
-	if cfg.is_last_step {
+	if cfg.app_id.is_none() {
 		client.store_is_synced(true);
 	}
 }

core/src/types.rs

@@ -381,15 +381,15 @@ impl Delay {
 pub struct SyncClientConfig {
 	pub confidence: f64,
 	pub disable_rpc: bool,
-	pub is_last_step: bool,
+	pub app_id: Option<u32>,
 }
 
 impl Default for SyncClientConfig {
 	fn default() -> Self {
 		Self {
 			confidence: 99.9,
 			disable_rpc: false,
-			is_last_step: true,
+			app_id: None,
 		}
 	}
 }