Move clauses from query to filter stage for elasticsearch notes

This helps avoid hardcoded limits on number of query clauses

app/models/concerns/elastic/notes_search.rb

@@ -102,7 +102,7 @@ module Elastic
           }
         end
 
-        query_hash[:query][:bool][:must] << filter
+        query_hash[:query][:bool][:filter] << filter
         query_hash
       end
     end

changelogs/unreleased-ee/1776-fix-elastic-max-clause-count-again.yml

+---
+title: Fix searching for notes with elasticsearch when a user is a member of many
+  projects
+merge_request: 1675
+author: