Fix LoginScene popping

client/src/main/java/envoy/client/ui/SceneContext.java

@@ -124,8 +124,12 @@ public final class SceneContext {
 	 * @since Envoy Client v0.1-beta
 	 */
 	public void pop() {
-		if (!sceneStack.isEmpty()) sceneStack.pop();
-		if (!controllerStack.isEmpty()) controllerStack.pop();
+
+		// Pop scene and controller
+		sceneStack.pop();
+		controllerStack.pop();
+
+		// Apply new scene if present
 		if (!sceneStack.isEmpty()) {
 			final var newScene = sceneStack.peek();
 			stage.setScene(newScene);
@@ -160,4 +164,10 @@ public final class SceneContext {
 	 * @since Envoy Client v0.1-beta
 	 */
 	public Stage getStage() { return stage; }
+
+	/**
+	 * @return whether the scene stack is empty
+	 * @since Envoy Client v0.2-beta
+	 */
+	public boolean isEmpty() { return sceneStack.isEmpty(); }
 }

client/src/main/java/envoy/client/ui/Startup.java

@@ -172,7 +172,6 @@ public final class Startup extends Application {
 		try {
 			localDB.initializeUserStorage();
 			localDB.loadUserData();
-			context.initWriteProxy();
 		} catch (final FileNotFoundException e) {
 			// The local database file has not yet been created, probably first login
 		} catch (final Exception e) {
@@ -180,6 +179,7 @@ public final class Startup extends Application {
 			logger.log(Level.WARNING, "Could not load local database: ", e);
 		}
 
+		context.initWriteProxy();
 		localDB.synchronize();
 
 		if (client.isOnline()) context.getWriteProxy().flushCache();
@@ -193,8 +193,11 @@ public final class Startup extends Application {
 				.forEach(u -> u.setStatus(UserStatus.OFFLINE));
 
 		final var stage = context.getStage();
+
+		// Pop LoginScene if present
+		if (!context.getSceneContext().isEmpty()) context.getSceneContext().pop();
+
 		// Load ChatScene
-		context.getSceneContext().pop();
 		stage.setMinHeight(400);
 		stage.setMinWidth(843);
 		context.getSceneContext().load(SceneContext.SceneInfo.CHAT_SCENE);