Fixed saving drafts with selected identity

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

@@ -48,6 +48,9 @@ public interface DaoIdentity {
     @Query("SELECT * FROM identity WHERE id = :id")
     LiveData<EntityIdentity> liveIdentity(long id);
 
+    @Query("SELECT * FROM identity WHERE account = :account AND `primary`")
+    EntityIdentity getPrimaryIdentity(long account);
+
     @Insert
     long insertIdentity(EntityIdentity identity);
 

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

@@ -1054,7 +1054,9 @@ public class FragmentCompose extends FragmentEx {
                     EntityOperation.queue(db, draft, EntityOperation.MOVE, trash.id);
 
                 } else if (action == R.id.action_save) {
-                    if (ato == null && acc == null && abcc == null &&
+                    EntityIdentity primary = db.identity().getPrimaryIdentity(draft.account);
+                    if ((primary == null || draft.identity == primary.id) &&
+                            ato == null && acc == null && abcc == null &&
                             TextUtils.isEmpty(subject) &&
                             TextUtils.isEmpty(body) &&
                             db.attachment().getAttachmentCount(draft.id) == 0)