Change the parent of the WizardDialog to that of the Spreadsheet window.
Previously the WizardDialog was using the open file dialog as the
parent resulting in the csv import dialog
Now we give each sheet its own interpreter and realm, and only make them
share the VM.
This is to prepare for the next commit, which will be refactoring a
bunch of things to propagate exceptions via ThrowCompletionOr<T>.
This removes all usages of the non-standard put helper method and
replaces all of it's usages with the specification required alternative
or with define_direct_property where appropriate.
SPDX License Identifiers are a more compact / standardized
way of representing file license information.
See: https://spdx.dev/resources/use/#identifiers
This was done with the `ambr` search and replace tool.
ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
