Share dialog use OCS API

Now using UTC dates with moment js to accurately add the number of days

Fix OCS unit tests after two share merges

* Use getNode
* Return IShare object so typechecking is happy

Use boxes for system tags, shorten permission text

Share2 ocs fix passing empty strings

Fix system tags conflict situations

Base shared cache on CacheJail

Permission text now doesn't appear when all permissions are there, or
shows as "invisible" or "not assignable", which should better cover all
use cases.

Changed select2 style to use boxes in the input field.

add IUserMountCache->getMountsForFileId

Stop spamming me.

Notify me on activity and notifications for sure

[Share 2.0] Move interfaces to OCP

Honestly, the bot should be improved, if a person hasn't contributed for
a long time it really doens't make sense to email him.
I would also argue that altering the .gitignore doesn't make me an
expert on that file. So classes of files really should not cause
the mention bot spamming me.

Those should only ever be set by the providers

* Made comments more clear
* Removed unneeded methods
* IShares shareTime is now a proper DateTime object
* IShares getPath -> getNode & setPath -> setNode
* Fix unit tests

Still allow isolated updates of parameters

* More sanity checks
* More unit tests

The password and expiration date can be set to empty strings when
created. This is now handled gracefully.

Check whether ownCloud is installed

clean cache interface

Migrate from CardDAV sharing to more general DAV sharing

ownCloud might not yet be setup. This causes an issue as the user config requires a setup ownCloud. Thus this needs a block whether ownCloud is installed or not.

Fixes https://github.com/owncloud/core/issues/21955

Fix errors after install

[Share 2.0] Properly handle user deleted group shares

Ignore GD JPEG warnings

Does not disrupt the UX whenever a tag or association was created
concurrently. The input field will adjust itself as if the tag was
already there in the first place.

Fixes https://github.com/owncloud/core/issues/21873