fixup! feat: re-fetch incomplete catalogue in open()

Author: mhier

src/DoocsBackend.cc

@@ -195,7 +195,8 @@ namespace ChimeraTK {
     _startVersion = {};
     setOpenedAndClearException();
 
-    // re-trigger catalogue filling? Only done after close() has been called *and* catalogue is not taken from cache
+    // re-trigger catalogue filling? Only done if catalogue is not taken from cache, is not currently begin fetched, and
+    // the catalogue is incomplete.
     if(!_catalogueFromCache && !_catalogueFuture.valid() && !catalogue.isComplete()) {
       _cancelFlag = std::promise<void>{};
       _catalogueFuture =