Don't clear old images. Fixes #6625 #7348
Merged
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Description of Change
This is basically because the idea of clearing an image before loading the next one is flawed. It is technically correct, make sure all is gone before starting on the new.
However, from a UX perspective, this is terrible. When switching out an image, there is one constant in this world and that is nothing is constant. Namely the internet is not fast enough to download and the device is not fast enough to decode and cache before the user notices. As a result, until all this is done, the image vanishes and this is not pleasing.
This PR basically solves all the issues (and acts like the underlying platforms) by literally doing less. And that is more.
Issues Fixed
Fixes #6625