[Container Instances] ContainerGroups list method result doesn't have instance_view info

- **Package Name**: azure-mgmt-containerinstance
- **Package Version**: 10.0.0
- **Operating System**: Mac OS
- **Python Version**: 3.8

**Describe the bug**
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- container_groups of ContainerInstanceManagementClient list method can't collect 'instance_view' info of container filed.

**To Reproduce**
Steps to reproduce the behavior:
1. Create Azure Container Instances
2. Get resource info using `ContainerInstanceManagementClient.container_groups.list()`
3. Get resource info using `ContainerInstanceManagementClient.container_groups.get()`
4. Compare result and check instance_view info in container field then get result has 'instance_view' info but list result don't

**Expected behavior**
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**Screenshots**
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**Additional context**
Add any other context about the problem here.

Start by comparing the ContainerGroups list and get methods for azure-mgmt-containerinstance, focusing on the container field's instance_view data. Inspect the REST API specification and response definitions to determine why list omits it. Done means the list result exposes instance_view consistently with the get result, with coverage for both methods.

Written by the indexing model from the issue text.