Set the current userid when running a report

[imtayadeway]

With nothing specified it defaults to "system". Since we now enforce
checking the ownership of report results, the report results' userid
must be set to the current user instead.

Fixes https://bugzilla.redhat.com/show_bug.cgi?id=1479296

@miq-bot add-label bug
@miq-bot assign @abellotti
/cc @gtanzillo @yrudman

UPDATE:

Just verified this.

Before:

GET http://localhost:3000/api/results/1r1

{
    "error": {
        "kind": "not_found",
        "message": "Couldn't find MiqReportResult with 'id'=1000000000001 [WHERE \"miq_report_results\".\"miq_group_id\" = 1000000000004]",
        "klass": "ActiveRecord::RecordNotFound"
    }
}

After

GET http://localhost:3000/api/results/1r2

{
    "href": "http://localhost:3000/api/results/1r2",
    "id": "1r2",
    "name": "VMs with Volume Free Space > 50% by Department",
    "miq_report_id": "1r1",
    "miq_task_id": "1r2",
    "userid": "tim",
    "report_source": "Requested by user",
    "db": "Vm",
    "created_on": "2017-08-21T23:53:22Z",
    "miq_group_id": "1r4",
    "result_set": []
}

[miq-bot]

Checked commit imtayadeway@5f73e46 with ruby 2.2.6, rubocop 0.47.1, and haml-lint 0.20.0
2 files checked, 0 offenses detected
Everything looks fine. 🍰

[gtanzillo]

@imtayadeway I like this change 👍 much better that doing the revert. Just to be sure, were you able to recreated the reported issue and verify that this change addresses it?

[abellotti]

👍 on this change.

[simaishi]

Backported to Fine via ManageIQ/manageiq#15868