Sync draft loader on save instance state

app/src/main/java/eu/faircode/email/FragmentCompose.java

@@ -1875,6 +1875,8 @@ public class FragmentCompose extends FragmentBase {
 
     @Override
     public void onSaveInstanceState(Bundle outState) {
+        draftLoader.sync();
+
         outState.putLong("fair:working", working);
         outState.putBoolean("fair:show_images", show_images);
         outState.putParcelable("fair:photo", photoURI);
@@ -6623,6 +6625,7 @@ public class FragmentCompose extends FragmentBase {
 
             ServiceSynchronize.eval(context, "compose/draft");
 
+            working = data.draft.id;
             return data;
         }
 

app/src/main/java/eu/faircode/email/SimpleTask.java

@@ -366,6 +366,15 @@ public abstract class SimpleTask<T> implements LifecycleObserver {
         return !this.destroyed;
     }
 
+    void sync() {
+        try {
+            if (future != null)
+                future.get();
+        } catch (Throwable ex) {
+            Log.e(ex);
+        }
+    }
+
     void cancel(Context context) {
         try {
             ExecutorService executor = getExecutor(context);