Pinned Navigation doesn't stay pinned
Issue is resolved. Instructions below...
1. Go to File - Settings - Entry types - General.
2. Check whether "Collapse Navigation pane on open embedded" is enabled, if so turn it off.
Pinned Navigation doesn't stay pinned
Pin the Navigation bar
Start typing into the filter entries box the name of a host
Select and launch a host
The pinned Navigation bar is no longer pinned