Installer freezes when user clicks on back button after clicking on install now #100
Description
Installer freezes when user clicks on back button after clicking on install now
Just after the installation step where the install now button is present like when partitioning drives, if the user clicks install now, and then agrees, and then goes back and tries to partition the drives again but does not click install now again and the user is still editing partitions like setting mount points and choosing the file system type for a partition, the installer wil revert to the installation method screen and will disable all buttons and UI elements but they remain clickable, and the installation silently cancels