Auth: Display id Provider label in orgs/users view (#58033)

* Add frontend test

* Add frontend label component

* Adjust backend tests

* Retrieve auth IDP labels for users at org/users.

Co-authored-by: Misi <mgyongyosi@users.noreply.github.com>
Co-authored-by: Kalle <kalleep@users.noreply.github.com>
Co-authored-by: Jo <Jguer@users.noreply.github.com>

pkg/models/user_auth.go

@@ -125,6 +125,10 @@ type GetAuthInfoQuery struct {
 	Result *UserAuth
 }
 
+type GetUserLabelsQuery struct {
+	UserIDs []int64
+}
+
 type TeamOrgGroupDTO struct {
 	TeamName string `json:"teamName"`
 	OrgName  string `json:"orgName"`