Empty ListViews drawing issue

What steps will reproduce the problem?

Open any dialog with empty (no entries) ListView control (Commit, Diff, Sync...)
Try to use mouse rectangle selection and check its background image at bottom-right side.

What is the expected output? What do you see instead?

There some flickering issue with selection and drawing issue with background images when ListViews has no entries but only message like "File list is empty".

What version of TortoiseGit and Git are you using? On what operating system?

TortoiseGit v1.8.16.0 Git for Windows v2.6.1 Windows 7 SP1 (x64)

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