I'm having difficulties using Split Pane. I'm not able to adjust its height to match screen (page) size. Documentation is saying: "html.adjustBottom causes the split pane to adjust its height so that the bottom matches the bottom of the screen", but height remains and devider is lost after setting html.adjustBottom shared value to true. Vertically Split Pane is adjusting its height without any intervention (html.adjustBottom). Additionaly, once I add Split Pane to the View, next time I'm not able to add new Split Pane instance after previos one was deleted. That's why I renamed Split Pane to Split Pane 2 (see attachment). To replicate this, just add new Split Pane into the View, and delete it afterwards. Split Pane wil remain under repository (probably) preventing new instance.
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