[RHCLOUD-37156] Make reset import tenants admin endpoint use ready=false query instead of looking up all related objects

[petracihalova]

Link(s) to Jira

• RHCLOUD-37156

Description of Intent of Change(s)

we have internal endpoint for reseting imported tenants here

and for tenants identification we are looking up all related objects

this PR introduces the simplification of the query = instead of checking all related objects we can use ready=false flag

but because it could be useful to keep the old behavior I added new query parameter only_ready_false_flag (with default value true)

• only_ready_false_flag=true => use query with ready=false flag and get all tenants with ready=false flag
• only_ready_false_flag=false => use query that is looking up all related objects and get all tenants without related objects

in the perfect world (tenant with ready=false does not have related objects) both queries should return same data/result

Local Testing

you can test it locally with internal endpoint

GET / DELETE http://localhost:8000/_private/api/utils/reset_imported_tenants/
GET / DELETE http://localhost:8000/_private/api/utils/reset_imported_tenants/?only_ready_false_flag=true
GET / DELETE http://localhost:8000/_private/api/utils/reset_imported_tenants/?only_ready_false_flag=false

TODO

• update open api spec for internal endpoints
• add ACs in RHCLOUD-37156
• unit tests

[petracihalova]

rebased and conflicts solved

[lpichler]

/retest

[lpichler]

/retest

[vbelchio]

/retest