Fix bug in chart selection linking

This fixes an issue in which the table view would not show
the proper molecules when selection-linking with the charts
was enabled. The filter model would fitler the molecules
properly but the underlying model did not contain the full
information leading to empty output.

Change-Id: I5df6bb276dc08d2aa8abd71f74bb6369b94d1a36
Merge topic 'fix-selection-linking' into master

03c6f0e7 Fix bug in chart selection linking