GSF.TimeSeries.UI.WPF: Fixed an issue in TsfPopup where clicking on the popup would not activate the application window, and keyboard focus would still be on the previously active window.
GSF.TimeSeries.UI.WPF: Fixed an issue in TsfPopup where clicking on the popup would not activate the application window, and keyboard focus would still be on the previously active window.

git-tfs-id: [https://tfs.codeplex.com/tfs/TFS07]$/gsf/Main;C88839

GridProtectionAlliance/gsf,GridProtectionAlliance/gsf,rmc00/gsf,rmc00/gsf,GridProtectionAlliance/gsf,rmc00/gsf,rmc00/gsf,GridProtectionAlliance/gsf,rmc00/gsf,rmc00/gsf,GridProtectionAlliance/gsf,GridProtectionAlliance/gsf,rmc00/gsf,GridProtectionAlliance/gsf,GridProtectionAlliance/gsf