Renamed diff searching feature flag

Closes https://gitlab.com/gitlab-org/gitlab/-/issues/351273

app/assets/javascripts/diffs/components/app.vue

@@ -524,7 +524,7 @@ export default {
 
       if (
         window.gon?.features?.diffsVirtualScrolling ||
-        window.gon?.features?.diffSearchingUsageData
+        window.gon?.features?.usageDataDiffSearches
       ) {
         let keydownTime;
         Mousetrap.bind(['mod+f', 'mod+g'], () => {
@@ -540,7 +540,7 @@ export default {
             if (delta >= 0 && delta < 1000) {
               this.disableVirtualScroller();
 
-              if (window.gon?.features?.diffSearchingUsageData) {
+              if (window.gon?.features?.usageDataDiffSearches) {
                 api.trackRedisHllUserEvent('i_code_review_user_searches_diff');
                 api.trackRedisCounterEvent('diff_searches');
               }

app/controllers/projects/merge_requests_controller.rb

@@ -47,7 +47,7 @@ class Projects::MergeRequestsController < Projects::MergeRequests::ApplicationCo
     # Usage data feature flags
     push_frontend_feature_flag(:users_expanding_widgets_usage_data, @project, default_enabled: :yaml)
     push_frontend_feature_flag(:diff_settings_usage_data, default_enabled: :yaml)
-    push_frontend_feature_flag(:diff_searching_usage_data, @project, default_enabled: :yaml)
+    push_frontend_feature_flag(:usage_data_diff_searches, @project, default_enabled: :yaml)
   end
 
   around_action :allow_gitaly_ref_name_caching, only: [:index, :show, :discussions]

config/feature_flags/development/diff_searching_usage_data.yml → config/feature_flags/development/usage_data_diff_searches.yml

 ---
-name: diff_searching_usage_data
+name: usage_data_diff_searches
 introduced_by_url:
 rollout_issue_url:
 milestone: '14.2'

lib/gitlab/usage_data_counters/known_events/code_review_events.yml

@@ -236,7 +236,7 @@
   redis_slot: code_review
   category: code_review
   aggregation: weekly
-  feature_flag: diff_searching_usage_data
+  feature_flag: usage_data_diff_searches
 - name: i_code_review_total_suggestions_applied
   redis_slot: code_review
   category: code_review