cim: Fix: Search all namespaces for WMI consumer bindings and filters

[nbareil]

Modify CimPlugin.consumerbindings() to search all CIM namespaces instead of only the 'subscription' namespace for __FilterToConsumerBinding and __EventFilter classes. This allows detection of WMI persistence mechanisms created in non-default namespaces.

• Remove hardcoded subscription namespace reference
• Add unit tests with mocks and integration test with real CIM sample
• Include test data with real CIM sample containing non-default namespace persistence

This change ensures comprehensive detection of WMI event subscriptions.

Closes #1382

[Schamper]

Either GitHub is showing it weirdly or there's too much indentation here?

[Schamper]

Can you put these in tests/plugins/os/windows/test_cim.py?

[Schamper]

Can you use a similar method to how the current test uses test data, instead of using a zip file? Feel free to move the existing test data to e.g. tests/_data/plugins/os/windows/cim/default and put yours in tests/_data/plugins/os/windows/cim/other_namespaces or something.

[nbareil]

Hello @Schamper, your comments have been applied and pushed. Thanks for your feedback!

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