Bug 417611 - improves layout issue with outline view - outline view will stick with slider as it decreases in width on the LHS until a point where it may interfere with the other commands on the LHS toolbar.
Adding bandaid icon
--Signed-off-by: edwardg8 <gaochao91@hotmail.com>
remove diff contents hack for M2 (have not seen any problems with save file diffs anymore)