All update processes should be within an iframe — at Initial Version
|Reported by:||dd32||Owned by:|
Currently some of the update processes run within iframes, others don't.
We should standardise on all within an iframe.
Running inside the iframe has the advantage that the footer of the page is loaded, and therefor, the admin bar will load, rather than the page appearing half-loaded for certain upgrade/install processes.
Currently, Processes which run inside iframes are Bulk updates, Singular updates load directly.
We should also investigate a iframe overlay that contains a "Working.. please wait" graphic that clears once the content of the iframe starts loading, This should help ease the pain of not being sure if the update process has started on servers that force gzip (and as a result, provide no user feedback until the process is complete) - See #18525 and #18239 for examlples of that