Which is the shortcut key of deselect? Instead of using a mouse-click, forcing a refresh or something along those lines you can try the keyboard shortcut "CTRL+Shift+Home". This works to effectively "deselect all" (as opposed to "CTRL+A") in many applications. ...
Shortcut it: Keyboard shortcuts are a handy tool — Ctrl+D in Windows (Command+D in macOS) will deselect in a flash. Click it: Right-click the selected area with your cursor and click the Deselect option. Menu-bar it: You can also deselect from the Options bar by navigating to Select...