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 *
Fix#4038 by not deferring the creation of the tools. The original
change that introduced this, 7973f76790,
mentions this was needed to avoid having the menu work on the wrong
window, but I don't see that issue with this change so that may not be
needed anymore.
