error az consumption usage list

### Describe the bug

Command "az consumption usage list" return an error

### Related command

`az consumption usage list --start-date "2025-02-02T00:00:00Z" --end-date "2025-02-02T23:59:59Z" --output json > usage.json`

### Errors

```
ERROR: The command failed with an unexpected error. Here is the traceback:
ERROR: 'usageStart'
Traceback (most recent call last):
File "/opt/az/lib/python3.12/site-packages/knack/cli.py", line 233, in invoke
cmd_result = self.invocation.execute(args)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 666, in execute
raise ex
File "/opt/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 734, in _run_jobs_serially
results.append(self._run_job(expanded_arg, cmd_copy))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 716, in _run_job
result = list(result)
^^^^^^^^^^^^
File "/opt/az/lib/python3.12/site-packages/azure/cli/core/aaz/_paging.py", line 87, in __next__
return next(self._page_iterator)
^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/az/lib/python3.12/site-packages/azure/cli/core/aaz/_paging.py", line 46, in __next__
curr_page, self._next_link = self._extract_result()
^^^^^^^^^^^^^^^^^^^^^^
File "/opt/az/lib/python3.12/site-packages/azure/cli/command_modules/consumption/custom.py", line 85, in _output
result = list([transform_usage_output(item) for item in result])
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/az/lib/python3.12/site-packages/azure/cli/command_modules/consumption/custom.py", line 95, in transform_usage_output
usageStart = parser.parse(result['usageStart'])
~~~~~~^^^^^^^^^^^^^^
KeyError: 'usageStart'
```

### Issue script & Debug output

```
DEBUG: cli.azure.cli.core.azclierror: Traceback (most recent call last):
File "/opt/az/lib/python3.12/site-packages/knack/cli.py", line 233, in invoke
cmd_result = self.invocation.execute(args)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 666, in execute
raise ex
File "/opt/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 734, in _run_jobs_serially
results.append(self._run_job(expanded_arg, cmd_copy))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 716, in _run_job
result = list(result)
^^^^^^^^^^^^
File "/opt/az/lib/python3.12/site-packages/azure/cli/core/aaz/_paging.py", line 87, in __next__
return next(self._page_iterator)
^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/az/lib/python3.12/site-packages/azure/cli/core/aaz/_paging.py", line 46, in __next__
curr_page, self._next_link = self._extract_result()
^^^^^^^^^^^^^^^^^^^^^^
File "/opt/az/lib/python3.12/site-packages/azure/cli/command_modules/consumption/custom.py", line 85, in _output
result = list([transform_usage_output(item) for item in result])
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/az/lib/python3.12/site-packages/azure/cli/command_modules/consumption/custom.py", line 95, in transform_usage_output
usageStart = parser.parse(result['usageStart'])
~~~~~~^^^^^^^^^^^^^^
KeyError: 'usageStart'

ERROR: cli.azure.cli.core.azclierror: The command failed with an unexpected error. Here is the traceback:
ERROR: az_command_data_logger: The command failed with an unexpected error. Here is the traceback:
ERROR: cli.azure.cli.core.azclierror: 'usageStart'
Traceback (most recent call last):
File "/opt/az/lib/python3.12/site-packages/knack/cli.py", line 233, in invoke
cmd_result = self.invocation.execute(args)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 666, in execute
raise ex
File "/opt/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 734, in _run_jobs_serially
results.append(self._run_job(expanded_arg, cmd_copy))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 716, in _run_job
result = list(result)
^^^^^^^^^^^^
File "/opt/az/lib/python3.12/site-packages/azure/cli/core/aaz/_paging.py", line 87, in __next__
return next(self._page_iterator)
^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/az/lib/python3.12/site-packages/azure/cli/core/aaz/_paging.py", line 46, in __next__
curr_page, self._next_link = self._extract_result()
^^^^^^^^^^^^^^^^^^^^^^
File "/opt/az/lib/python3.12/site-packages/azure/cli/command_modules/consumption/custom.py", line 85, in _output
result = list([transform_usage_output(item) for item in result])
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/az/lib/python3.12/site-packages/azure/cli/command_modules/consumption/custom.py", line 95, in transform_usage_output
usageStart = parser.parse(result['usageStart'])
~~~~~~^^^^^^^^^^^^^^
KeyError: 'usageStart'
ERROR: az_command_data_logger: 'usageStart'
Traceback (most recent call last):
File "/opt/az/lib/python3.12/site-packages/knack/cli.py", line 233, in invoke
cmd_result = self.invocation.execute(args)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 666, in execute
raise ex
File "/opt/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 734, in _run_jobs_serially
results.append(self._run_job(expanded_arg, cmd_copy))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/az/lib/python3.12/site-packages/azure/cli/core/commands/__init__.py", line 716, in _run_job
result = list(result)
^^^^^^^^^^^^
File "/opt/az/lib/python3.12/site-packages/azure/cli/core/aaz/_paging.py", line 87, in __next__
return next(self._page_iterator)
^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/az/lib/python3.12/site-packages/azure/cli/core/aaz/_paging.py", line 46, in __next__
curr_page, self._next_link = self._extract_result()
^^^^^^^^^^^^^^^^^^^^^^
File "/opt/az/lib/python3.12/site-packages/azure/cli/command_modules/consumption/custom.py", line 85, in _output
result = list([transform_usage_output(item) for item in result])
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/az/lib/python3.12/site-packages/azure/cli/command_modules/consumption/custom.py", line 95, in transform_usage_output
usageStart = parser.parse(result['usageStart'])
~~~~~~^^^^^^^^^^^^^^
KeyError: 'usageStart'
To check existing issues, please visit: https://github.com/Azure/azure-cli/issues
DEBUG: cli.knack.cli: Event: Cli.PostExecute []
INFO: az_command_data_logger: exit code: 1
INFO: cli.__main__: Command ran in 5.931 seconds (init: 0.111, invoke: 5.820)
INFO: telemetry.main: Begin splitting cli events and extra events, total events: 1
INFO: telemetry.client: Accumulated 0 events. Flush the clients.
INFO: telemetry.main: Finish splitting cli events and extra events, cli events: 1
INFO: telemetry.save: Save telemetry record of length 7905 in cache file under /root/.azure/telemetry/20250203143000227
INFO: telemetry.main: Begin creating telemetry upload process.
INFO: telemetry.process: Creating upload process: "/opt/az/bin/python3 /opt/az/lib/python3.12/site-packages/azure/cli/telemetry/__init__.py /root/.azure /root/.azure/telemetry/20250203143000227"
INFO: telemetry.process: Return from creating process 4613
INFO: telemetry.main: Finish creating telemetry upload process.
```

### Expected behavior

normal json

### Environment Summary

azure-cli 2.68.0

core 2.68.0
telemetry 1.1.0

Extensions:
costmanagement 1.0.0

Dependencies:
msal 1.31.1
azure-mgmt-resource 23.1.1

Python location '/opt/az/bin/python3'
Extensions directory '/root/.azure/cliextensions'

Python (Linux) 3.12.8 (main, Jan 8 2025, 03:38:16) [GCC 13.3.0]

### Additional context

_No response_