These are not required because MySQL is not
supported anymore

It adds  a hash response which includes
the count, success state and the moved
issues itself so the caller has additional
information about the result of the
process.

Prefer `json_response` where applicable.

Add specs for new endpoint to move multiple issues.
Add changelog entry

Just check the first issue for the ability to move / update

Add specs for exceeding limits and malformed requests

Changed name of shared examples

Change title of changelog entry

Use %i instead of %w

Check permission to update issue on project instead of board

Use admin_issue permission to check for issue move ability

Changed variable name to avoid shadow issue_params method

Rename route to bulk_move

Change route definition

Check permissions for each issue

Combine methods for parameters permit check

Remove extra context

Change description of context

Check param for type Array

Add unit tests to MoveService

Use before_action for permission check

Use set instead of let!

Use let's instead of set

Adds frozen string to the following:

* spec/bin/**/*.rb
* spec/config/**/*.rb
* spec/controllers/**/*.rb

xref https://gitlab.com/gitlab-org/gitlab-ce/issues/59758

This reverts merge request !26823