Restricted users only see repos in orgs which their team was assigned to (#28025) (#28050)

Backport #28025 by @6543


---
*Sponsored by Kithara Software GmbH*

Co-authored-by: 6543 <m.huber@kithara.com>

models/repo/repo_list.go

 				userOrgTeamUnitRepoCond("`repository`.id", user.ID, unitType),
 			)
 		}
-		cond = cond.Or(
-			// 4. Repositories that we directly own
-			builder.Eq{"`repository`.owner_id": user.ID},
+		// 4. Repositories that we directly own
+		cond = cond.Or(builder.Eq{"`repository`.owner_id": user.ID})
+		if !user.IsRestricted {
 			// 5. Be able to see all public repos in private organizations that we are an org_user of
-			userOrgPublicRepoCond(user.ID),
-		)
+			cond = cond.Or(userOrgPublicRepoCond(user.ID))
+		}
 	}
 
 	return cond