After upgrading to 17.6.3 search returns 500 when zoekt is enabled

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Summary

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Updated GitLab to 17.6.3 and search returns 500 errors . We disabled zoekt and search starting working again.

{"component": "gitlab","subcomponent":"production_json","method":"GET","path":"/search","format":"html","controller":"SearchController","action":"show","status":500,"time":"2025-01-15T09:41:42.445Z","params":[{"key":"search","value":"[FILTERED]"},{"key":"nav_source","value":"navbar"},{"key":"project_id","value":"123"},{"key":"group_id","value":"8"},{"key":"search_code","value":"[FILTERED]"},{"key":"repository_ref","value":"master"}
...
"exception.message":"undefined method `id' for nil:NilClass","exception.backtrace":["ee/app/services/concerns/search/zoekt_searchable.rb:36:in `zoekt_node_id'"
...

We were able to solve the issue by:

Search::Zoekt::Node.online.count
=> 1
Search::Zoekt::Replica.group(:state).count
=> {"pending"=>82}

and set it to ready

Search::Zoekt::Replica.update_all(state: :ready)

Steps to reproduce

n/a