Action on completion of App un-installation
When an app is installed, the screen now "swamps" the content for the app to be installed with the installed app content.
Currently this includes the "Uninstall" button among other things.
If you click uninstall the page "loses" the app completely and needs refreseh.
1. do no show the uninstall button (when on the apps available page)
2. force a page refresh after the uninstall completes
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