CodeGen from PR 23327 in Azure/azure-rest-api-specs

[Hub Generated] Review request for Microsoft.DocumentDB to add version preview/2023-03-15-preview (#23327)

* Adds base for updating Microsoft.DocumentDB from version preview/2023-03-01-preview to version 2023-03-15-preview

* Updates readme

* Updates API version in new specs and examples

* combined changes for managed cassandra preview swagger.

* materializedview swagger changes

* changing preview release version

* Reverting changes to 2023-03-01-preview

* preview changes for nova.

* Pretty check.

* Add files via upload

* Update cosmos-db.json

adds database partition merge api.

* saving work

* saving work

* saving work

* Add example for swagger apis.

* fix cluster name and rg values in example.

* Add cassandraProcessStatus property.

* format example.

* Fixing model validation errors.

* Resolving model validation errors.

* resolve Lint Diff issues.

* removing duplicate entry for package-preview-2023-03

* Fixing spelling.

* Fix pretty validation.

* try removing modelerfour:

* update readme to 2023-01-15-preview

* bring back both 2023-03-01 and 2023-03-15 preview in readme.md

* update tag to generate for  package-preview-2023-03-15

* ring back CassandraClusterRepairPublicProperties.

* merge conflict resolution

* port listconnectionstrings changes from 03-15-stable

* backport stable to preview swagger.

* port location api updates from 3-15-stable to preview version

* Fix model validation error :-).

* remove duplicate status property

* Undo Vivek's changes.

* saving work

* saving work

* local changes

* local changes

* local changes

* local changes

* temporally resolve duplicate schema issue

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Co-authored-by: Vivek Sundararajan <visunda@microsoft.com>
Co-authored-by: Chandrasekhar Gunturi <chguntur@microsoft.com>
Co-authored-by: Carolyn Jackson <carjackson@microsoft.com>
Co-authored-by: Chenjie Shi <tadelesh.shi@live.cn>