fix: eventFiltering options key and schema

[Gauravudia]

Description of the change

Resolves INT-219
Update eventFiltering options key and schema

Checklists

Development

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• The code changed/added as part of this pull request has been covered with tests
• All tests related to the changed code pass in development
• I have executed schemaGenerator tests and updated schema if needed

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[linear]

INT-219 Mixpanel: Migrate to new UI

New UI

Cloud mode

Destination Configurations

Screenshot 2023-10-25 at 10.19.48 PM.png

Configuration settings

Screenshot 2023-10-25 at 10.20.08 PM.png

Screenshot 2023-10-25 at 10.20.21 PM.png

Device mode

Destination Configurations

Screenshot 2023-10-25 at 10.23.56 PM.png

Configuration settings

Screenshot 2023-10-25 at 10.24.33 PM.png

Screenshot 2023-10-25 at 10.24.57 PM.png