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file-conflict-dialog: Don't change action when unchecking
The "Apply this action to all files and folders" checkbox works only
with the "Replace" action, not the "Rename" action. Indeed, if the
rename field is expanded, the checkbox is greyed out.
However, if the checkbox is checked, when unchecking it changes the
main action to Rename, despite the rename field being obviously
hidden (otherwise the checkbox wouldn't be checked). That's wrong.
It's a regression from 15d59cd18de13b1c09dae1fe07102e213cdd9fd4
When the checkbox is unchecked, the action is already "Replace", so
there is no need to change it.
file-operations: Do not offer skipping when extracting one file
In case of extraction failure, the "Skip" and "Cancel" actions are offered
everytime, but skipping doesn't make sense when extracting one file only.
Let's use the same approach as it is used also for other operations, which
is based on total number of files and remaining files. Also the "Skip All"
action will be offered as a side-effect of this change.
file-operations: Simplify output files handling when extracting
Currently, output files are checked for existence. But the files are
explicitely deleted in the case of extraction failure, so this extra
check is no more needed. Let's drop the redundant check and just update
the list when deleting the files.
file-operations: Remove leftover files after extraction failure
Empty, or corrupted files are left in the output directory in the case
of extraction failure, e.g. when wrong password is supplied. This is
in most cases undesired. Let's recursively delete all the leftover
files in the case of extraction failure.
