Automatic merge from submit-queue (batch tested with PRs 57500, 58840, 58883). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Make REST mappings for resources a unique list

This ensures the mappings list for resources(shortcuts, plural) unique,
instead of doing multiple requests to server for the same resource.



**What this PR does / why we need it**:
Treat resource shortcuts, plurals the same thing on kubectl side instead of doing multiple requests to servers, and outputs should not duplicate entires.

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #57498 

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```