Be able to modify event series by either modifying single instances or
delete them.

With help of the code from evolution-mapi to decode recurrence blobs,
read also detached and recognize deleted instances of a recurring
event series.

Closes #267

Some attachments may not have `contentBytes` property, the same as it can be
quite large file, thus read them one-by-one instead.

It was needed only for internal tests, but it breaks reproducible builds,
thus pass the in-tree path to the library through the environment variable,
to avoid the problem.

Related to !10

The Microsoft365 has its own handling of the backoff policy, thus
disable just added handling by the ESoupSession.

Related to evolution-data-server#518

Closes #263

Closes #264

Rūdolfs Mazurs authored Mar 09, 2024 and Administrator committed Mar 09, 2024

(cherry picked from commit c260d909)

The wiki.gnome.org might be removed in the future, thus replace
the URL with the new home.

It's meant to be used by the linker, not by the compiler, thus keep
it only for the linker flags. Clang claims the argument is not used.

This can bring in gtk3 and other UI-specific libs into the background processes,
when the compiler does not filter them out, which can happen with clang.

Related to gnome-contacts#222

Closes #259

Closes #260

Closes #261

Related to evolution-data-server#522

Closes #256