Add filtered search

app/views/shared/issuable/_search_bar.html.haml

...ytics/code_review_analytics_filtered_search_token_keys.js

...cripts/analytics/code_review_analytics/components/app.vue

...review_analytics/filtered_search_code_review_analytics.js

...sets/javascripts/analytics/code_review_analytics/index.js

...ipts/pages/projects/analytics/code_reviews/index/index.js

...ews/layouts/nav/sidebar/_project_analytics_link.html.haml

ee/app/views/projects/analytics/code_reviews/index.html.haml

ee/spec/features/analytics/code_analytics_spec.rb