CodeGen from PR 23959 in Azure/azure-rest-api-specs

Added spec definition for Nested template parameter (#23959)

* 2021-04-01

* 2022-09-01

* sync

* merge

* "type": "object"

* no empty "required"

* no "type": "object",

* Revert "no "type": "object","

This reverts commit 3d22f0a200f6519db4bb1e23c3eaae5589be18c2.

* "type": "object" on DeploymentParameter

Author: SDKAuto