This might seem very minor, but the current ‘changes saved’ popup can often obscure buttons/properties for several seconds, which in a fast-paced enviornment can be quite frustrating for users.
For example, in Help Desk, a change to the ticket obscures several buttons, when our users want to insert a template quickly: -
This is what it obscures:

This popup should be moved somewhere less obstructive, e.g. the top of the screen to the right of the search bar.
