fix for latest client release

indexedDb/impl/channels/implementation.go

@@ -417,6 +417,8 @@ func (w *wasmModel) receiveHelper(
 
 	// Store message to database
 	result, err := impl.Put(w.db, messageStoreName, messageObj)
+	// FIXME: The following is almost certainly causing a bug
+	// where all of our upsert operations are failing.
 	if err != nil && !strings.Contains(err.Error(), impl.ErrUniqueConstraint) {
 		// Only return non-unique constraint errors so that the case
 		// below this one can be hit and handle duplicate entries properly.