EOS grpc fixes (cs3org#3420)

* return inode in fileinfo

* fix log

* fix eos grpc parsing

* stat as a root

* workaround for inode (revert me)

* set parent id in eosfs

* Revert "stat as a root"

This reverts commit 81ce7b3.

* set storage id to parent id in storage provider

* fix file path

* clean path returned by eos

* set xattrs for lock as root

* fix key when setting attribute

* stat as root

* Revert "stat as root"

This reverts commit e865e6e.

* trim prefix for user attrs

* do not filter sys attrs

* fix add acl

* fix initiate file upload reference resolution

* fix initiate file upload

* Revert "fix initiate file upload"

This reverts commit 265d091.

* set sys acl as root

* workaround for adding acl

* fix unset attr

* unset lock as root

* Avoid crash when getting checksum in a stat request

* fix

* add changelog

* fix linter

* fix license

Co-authored-by: Fabrizio Furano <furano@cern.ch>

changelog/unreleased/eos-grpc-fixes.md

@@ -0,0 +1,6 @@
+Bugfix: EOS grpc fixes
+
+The shares and the applications were not working
+with the EOS grpc storage driver. This fixes both.
+
+https://github.com/cs3org/reva/pull/3420