Upgrade Video Embed Field to avoid source_module error

This probably needs to be a meta issue. It's a problem with multiple modules as a result of this change record

Use 'source_module' and 'destination_module' annotation to indicate module responsible for migration

It affects field group as well and there is a patch that works
#2951335: Getting d6_field_group plugin must define the source_module property Error When Using migrate-upgrade

It affects redirect and the relevant issues have been closed and the fixes committed to the current dev version

#2947642: d6_path_redirect plugin must define the source_module property

#2955400: d6_path_redirect has to define the *correct* source_module annotation

Thunder components are, or at least at the time were, out of date. That meant that you could not do a migration from a D7 site to D8 Thunder because, for the newer versions of the Migrate module to function, the source_module property *must* be defined.

In the versions that Thunder was using, it was not, so the migrations fail.

The change record I link to describes the architectural change.

The issues I link to are for that issue for individual modules that are packaged with Thunder. So for path_redirect, it's fixed in the dev version. In field_group the patch is RTBC and I'm not sure for emvideo