Improve performance of zhmc_partition with state=facts

[andy-maier]

The current implementation of the zhmc_partition module for state=facts and no additinal expansion properties issues these HMC calls:

2023-04-28T13:56:22+0200 DEBUG zhmc_partition 46106 Module entry: params: {'hmc_host': '9.114.87.7', 'state': 'facts', 'cpc_name': 'T224', 'name': 't224-image-build-1', 'log_file':
2023-04-28T13:56:22+0200 DEBUG zhmcclient.hmc 46106 Request: POST https://9.114.87.7:6794/api/sessions, headers: {'User-Agent': 'python-zhmcclient/1.7.0', 'Content-type': 'applicat
2023-04-28T13:56:23+0200 DEBUG zhmcclient.hmc 46106 Respons: POST https://9.114.87.7:6794/api/sessions, status: 200, headers: {'Strict-Transport-Security': 'max-age=0', 'X-Frame-Op
2023-04-28T13:56:23+0200 DEBUG zhmcclient.hmc 46106 Request: GET https://9.114.87.7:6794/api/cpcs, headers: {'User-Agent': 'python-zhmcclient/1.7.0', 'Content-type': 'application/j
2023-04-28T13:56:23+0200 DEBUG zhmcclient.hmc 46106 Respons: GET https://9.114.87.7:6794/api/cpcs, status: 200, headers: {'Strict-Transport-Security': 'max-age=0', 'X-Frame-Options
2023-04-28T13:56:23+0200 DEBUG zhmcclient.hmc 46106 Request: GET https://9.114.87.7:6794/api/cpcs/7b5a7c96-41bc-3815-82ea-55c6826079b8/partitions, headers: {'User-Agent': 'python-z
2023-04-28T13:56:23+0200 DEBUG zhmcclient.hmc 46106 Respons: GET https://9.114.87.7:6794/api/cpcs/7b5a7c96-41bc-3815-82ea-55c6826079b8/partitions, status: 200, headers: {'Strict-Tr
2023-04-28T13:56:23+0200 DEBUG zhmcclient.hmc 46106 Request: GET https://9.114.87.7:6794/api/partitions/45341a20-2c28-11ec-be95-00106f240e88, headers: {'User-Agent': 'python-zhmccl
2023-04-28T13:56:23+0200 DEBUG zhmcclient.hmc 46106 Respons: GET https://9.114.87.7:6794/api/partitions/45341a20-2c28-11ec-be95-00106f240e88, status: 200, headers: {'Strict-Transpo
2023-04-28T13:56:23+0200 DEBUG zhmcclient.hmc 46106 Request: GET https://9.114.87.7:6794/api/partitions/45341a20-2c28-11ec-be95-00106f240e88/nics/4f4eec30-53fe-11ec-8975-00106f240e
2023-04-28T13:56:23+0200 DEBUG zhmcclient.hmc 46106 Respons: GET https://9.114.87.7:6794/api/partitions/45341a20-2c28-11ec-be95-00106f240e88/nics/4f4eec30-53fe-11ec-8975-00106f240e
2023-04-28T13:56:23+0200 DEBUG zhmcclient.hmc 46106 Request: GET https://9.114.87.7:6794/api/cpcs/7b5a7c96-41bc-3815-82ea-55c6826079b8/virtual-switches, headers: {'User-Agent': 'py
2023-04-28T13:56:23+0200 DEBUG zhmcclient.hmc 46106 Respons: GET https://9.114.87.7:6794/api/cpcs/7b5a7c96-41bc-3815-82ea-55c6826079b8/virtual-switches, status: 200, headers: {'Str
2023-04-28T13:56:23+0200 DEBUG zhmcclient.hmc 46106 Request: GET https://9.114.87.7:6794/api/virtual-switches/36924b5c-52ec-11ea-a210-00106f240e88, headers: {'User-Agent': 'python-
2023-04-28T13:56:23+0200 DEBUG zhmcclient.hmc 46106 Respons: GET https://9.114.87.7:6794/api/virtual-switches/36924b5c-52ec-11ea-a210-00106f240e88, status: 200, headers: {'Strict-T
2023-04-28T13:56:23+0200 DEBUG zhmcclient.hmc 46106 Request: GET https://9.114.87.7:6794/api/cpcs/7b5a7c96-41bc-3815-82ea-55c6826079b8/adapters, headers: {'User-Agent': 'python-zhm
2023-04-28T13:56:24+0200 DEBUG zhmcclient.hmc 46106 Respons: GET https://9.114.87.7:6794/api/cpcs/7b5a7c96-41bc-3815-82ea-55c6826079b8/adapters, status: 200, headers: {'Strict-Tran
2023-04-28T13:56:24+0200 DEBUG zhmcclient.hmc 46106 Request: DELETE https://9.114.87.7:6794/api/sessions/this-session, headers: {'User-Agent': 'python-zhmcclient/1.7.0', 'Content-t
2023-04-28T13:56:24+0200 DEBUG zhmcclient.hmc 46106 Respons: DELETE https://9.114.87.7:6794/api/sessions/this-session, status: 204, headers: {'Strict-Transport-Security': 'max-age=
2023-04-28T13:56:24+0200 DEBUG zhmc_partition 46106 Module exit (success): changed: False, cpc: {'maximum-memory': 16384, 'permit-des-key-import-functions': True, 'parent': '/api/c

Potential for performance improvements:

• GET cpcs could be eliminated if GET partitions is done with name/cpc-name filter in order to get the partition URI. The required filter support in PartitionManager.list() should already be there, but maybe the server-side properties need to be updated or made dependent on the HMC/SE version.
• GET nic, GET virtual-switches, GET virtual-switch, GET adapters are probably all caused by expanding nics by default. That could be turned off by default and made user-controllable via an expand_nics parameter like it is already done for storage groups. Ideally, we want the NIC names in the nics property, but the problem is that NICs are element objects, so there is no list operation for them, and so this would require at least a loop through Get NIC Properties using nic-uris.