[MonitorMgmt] Status code fixes

[AutorestCI]

Generated from RestAPI PR: Azure/azure-rest-api-specs#1481

[codecov-io]

Codecov Report

Merging #1353 into master will decrease coverage by <.01%.
The diff coverage is 91.66%.

@@            Coverage Diff             @@
##           master    #1353      +/-   ##
==========================================
- Coverage   56.13%   56.13%   -0.01%     
==========================================
  Files        2720     2720              
  Lines       71615    71617       +2     
==========================================
  Hits        40201    40201              
- Misses      31414    31416       +2

Impacted Files	Coverage Δ
...onitor/models/activity_log_alert_resource_paged.py	80% <ø> (ø)	⬆️
...onitor/azure/mgmt/monitor/models/incident_paged.py	80% <ø> (ø)	⬆️
...e/mgmt/monitor/models/alert_rule_resource_paged.py	100% <ø> (ø)	⬆️
...onitor/azure/mgmt/monitor/models/email_receiver.py	62.5% <ø> (ø)	⬆️
...-monitor/azure/mgmt/monitor/models/sms_receiver.py	55.55% <ø> (ø)	⬆️
...mgmt/monitor/models/action_group_resource_paged.py	80% <ø> (ø)	⬆️
.../mgmt/monitor/models/log_profile_resource_paged.py	80% <ø> (ø)	⬆️
...monitor/models/autoscale_setting_resource_paged.py	80% <ø> (ø)	⬆️
...itor/operations/alert_rule_incidents_operations.py	26% <100%> (ø)	⬆️
...erations/service_diagnostic_settings_operations.py	20.89% <100%> (ø)	⬆️
... and 8 more

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[lmazuel]

@vishrutshah LGTM to me, looking at the Python code there is just a few HTTP status code check different that seems reasonable.