Added display behavior to filetree controls.
Added display behavior to filetree controls.

ResearchComputing/OIDE,SandstoneHPC/OIDE,SandstoneHPC/OIDE,SandstoneHPC/sandstone-ide,ResearchComputing/OIDE,SandstoneHPC/sandstone-ide,ResearchComputing/OIDE,SandstoneHPC/sandstone-ide,ResearchComputing/OIDE,SandstoneHPC/OIDE