[BUG][Workspace] missing workspaces and permissions for saved objects _bulk_get API

[Hailong-am]

Describe the bug
workspaces and permissions both are missing for saved objects bulk get API. These two fields are useful when doing permission validation

If a bulk get request specify fields in its request, it will not fetch workspaces and permission, that will bypass permission check.

OpenSearch-Dashboards/src/core/server/saved_objects/service/lib/repository.ts

Lines 969 to 973 in 5f19c37

	.map(({ value: { type, id, fields } }) => ({
	_id: this._serializer.generateRawId(namespace, type, id),
	_index: this.getIndexForType(type),
	_source: includedFields(type, fields),
	}));

OpenSearch-Dashboards/src/core/server/saved_objects/service/lib/included_fields.ts

Lines 50 to 51 in 5f19c37

	.concat('namespace')
	.concat('namespaces')

permission check

OpenSearch-Dashboards/src/plugins/workspace/server/saved_objects/workspace_saved_objects_client_wrapper.ts

Lines 141 to 151 in 5f19c37

	/**
	*
	* Checks if the provided saved object lacks both workspaces and permissions.
	* If a saved object lacks both attributes, it implies that the object is neither associated
	* with any workspaces nor has permissions defined by itself. Such objects are considered "public"
	* and will be excluded from permission checks.
	*
	**/
	if (!savedObject.workspaces && !savedObject.permissions) {
	return true;
	}

To Reproduce
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Expected behavior
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OpenSearch Version
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Dashboards Version
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