The reason this is happening is because the BottomEdgePage sets a new PageHeader that overrides the default PageHeader of the gallery Template page. The old PageHeader is no longer visible because it has no parent any more, but it still sets/unsets the flickable topMargin.
The reason this is happening is because the BottomEdgePage sets a new PageHeader that overrides the default PageHeader of the gallery Template page. The old PageHeader is no longer visible because it has no parent any more, but it still sets/unsets the flickable topMargin.
I will work on fixing this together with the fix for this bug: https:/ /bugs.launchpad .net/ubuntu/ +source/ ubuntu- ui-toolkit/ +bug/1560458