Fix response for approve application endpoint

[MV-GH]

PR-Codex overview

Detailed summary

• Updated the $ref in partials/api_routes.yaml from RegistrationApplicationView to RegistrationApplicationResponse.
• Removed the local_only property from the CreateCommunity and EditCommunity interfaces in partials/auto_gen_types.ts.
• Added a new property site of type Site to the GetPersonDetailsResponse interface in partials/auto_gen_types.ts.
• Updated the title and type of the users_active_half_year property in partials/components.yaml.
• Removed the subscribers_local property from the CommunityAggregates schema in partials/components.yaml.
• Removed the local_only property from the CreateCommunity and EditCommunity schemas in partials/components.yaml.
• Updated the $ref in lemmy_spec.yaml from RegistrationApplicationView to RegistrationApplicationResponse.
• Added a new schema RegistrationApplicationResponse in lemmy_spec.yaml.
• No changes in lemmy-js-client.

✨ Ask PR-Codex anything about this PR by commenting with /codex {your question}