NOTE: Test in all 3 editing modes.
# login to Admin Console
# go to {nav Configuration > Website > Advanced} section
# change value for `Editing Window Style` setting and save changes
# on current page confirm, that:
* page contains vertical scrollbar
* during scrolling the toolbar and content above it stays on top
* there is left and right margin in main frame are present (more than 0px) and match
# go to {nav Configuration > Website > Search} section
# on current page confirm, that:
* page contains vertical scrollbar
* during scrolling the toolbar and content above it stays on top
* there is left and right margin in main frame are present (more than 0px) and match
# go to {nav Website & Content > Structure & Data} section
# click on `Sections` tab
# open any section for editing
# on page that opens confirm, that:
* page contains vertical scrollbar
* during scrolling the toolbar and content above it stays on top
* (if testing `Same Window` editing window style only) there is left and right margin in main frame are present (more than 0px) and match
# go to {nav Custom > Widgets} section
# open any record for editing or press `Add` button on toolbar
# on page that opens confirm, that:
* page contains vertical scrollbar
* during scrolling the toolbar and content above it stays on top
* (if testing `Same Window` editing window style only) there is left and right margin in main frame are present (more than 0px) and match
# press `Upload` button for `Image` field
# select image file in dialog that opens
# confirm, that image was uploaded and it's preview was shown