TermPortal does not filter along termCollection, when showing terms of a termEntry

To reproduce:

• in a TermPortal where you can search multiple termCollections search for a term
• click on the term result in the left pane
• in the right pane you will see results of all terms with the same group-id, but it does not matter, to which termCollection they belong. Of course only those should be shown, that belong to the same termCollection