This commit adds an operator, "Show Drivers Editor", to the RMB menu when clicking on properties. As per T54653, this will open a new Graph Editor instance in a new/separate window (much like how the User Preferences show up in a popup window now), and will configure all the relevant panels so that you can see and edit the driver settings immediately without doing a lot of the view configuration steps that were previously needed. When doing so on a property that is driven, the driver/fcurve for that property will be made active in the editor, ready for you to start editing its settings without having to hunt it down again first.