Reset all connection schema cache after migration tests

See merge request !14195

Fix user access due to having multiple identities

See merge request !2886

based on https://gitlab.com/gitlab-org/gitlab-ce/commit/deaa7f54e016b6ae1051c38abb95586451f470c1

This is an attempt for the EE part for:
https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/12968

* ee/master:
  index project settings doc from other indexes
  copyedit
  fixes link
  Add a unique index on project_id to the Geo project_registry table
  Update K8s docs to match CE
  Merge branch 'docs-new-topic-projects-settings' into 'master'
  fix small typos in ldap.md
  add ce to ee instructions for 10.0

Bad resolution from https://gitlab.com/gitlab-org/gitlab-ee/commit/a58f22114d38fc98acfdf7e1d6bea85bc6f00df1
We need https://gitlab.com/gitlab-org/gitlab-ce/issues/37568

This reverts commit 81d44ae4.

a58f2211

Docs: quick fix - indexes project settings

See merge request !2873

Update Helm Chart docs from CE - docs

Closes #3384

See merge request !2871

Add a unique index on project_id to the Geo project_registry table

Closes #3354

See merge request !2850

Add ce to ee instructions for 10.0

See merge request !2866

Docs new index for project's settings

See merge request !2870

Fix small typos in LDAP documentation

See merge request !2867

Docs new index for project's settings

Closes #35719

See merge request !13552

Signed-off-by: Rémy Coutable <remy@rymai.me>

Signed-off-by: Rémy Coutable <remy@rymai.me>

Signed-off-by: Rémy Coutable <remy@rymai.me>

Signed-off-by: Rémy Coutable <remy@rymai.me>

Signed-off-by: Rémy Coutable <remy@rymai.me>