Merge branch 'develop' into features/JAL-2446NCList

diff --combined src/jalview/gui/AlignFrame.java
index e5d550f,2a4b6dc..162d100
--- 1/src/jalview/gui/AlignFrame.java
--- 2/src/jalview/gui/AlignFrame.java
+++ b/src/jalview/gui/AlignFrame.java
@@@ -2442,6 -2442,7 +2442,6 @@@ public class AlignFrame extends GAlignF
      viewport.setSelectionGroup(null);
      viewport.getColumnSelection().clear();
      viewport.setSelectionGroup(null);
 -    alignPanel.getSeqPanel().seqCanvas.highlightSearchResults(null);
      alignPanel.getIdPanel().getIdCanvas().searchResults = null;
      // JAL-2034 - should delegate to
      // alignPanel to decide if overview needs
@@@ -2944,7 -2945,7 +2944,7 @@@
    public void showAllColumns_actionPerformed(ActionEvent e)
    {
      viewport.showAllHiddenColumns();
-     repaint();
+     alignPanel.paintAlignment(true);
      viewport.sendSelection();
    }
  
@@@ -2952,7 -2953,6 +2952,6 @@@
    public void hideSelSequences_actionPerformed(ActionEvent e)
    {
      viewport.hideAllSelectedSeqs();
-     // alignPanel.paintAlignment(true);
    }
  
    /**