Rename OccurrencesPreloader to FindingsPreloader

Rename Vulnerabilities::OccurrencesPreloader to
Vulnerabilities::FindingsPreloader
Rename files and variables

ee/app/serializers/vulnerabilities/occurrence_serializer.rb

@@ -11,7 +11,7 @@ class Vulnerabilities::OccurrenceSerializer < BaseSerializer
     end
 
     if opts.delete(:preload)
-      resource = Gitlab::Vulnerabilities::OccurrencesPreloader.preload!(resource)
+      resource = Gitlab::Vulnerabilities::FindingsPreloader.preload!(resource)
     end
 
     super(resource, opts)

ee/lib/api/vulnerability_findings.rb

@@ -72,7 +72,7 @@ module API
           )
         )
 
-        Gitlab::Vulnerabilities::OccurrencesPreloader.preload_feedback!(vulnerability_occurrences)
+        Gitlab::Vulnerabilities::FindingsPreloader.preload_feedback!(vulnerability_occurrences)
 
         present vulnerability_occurrences,
                 with: ::Vulnerabilities::FindingEntity,

ee/lib/gitlab/vulnerabilities/occurrences_preloader.rb → ee/lib/gitlab/vulnerabilities/findings_preloader.rb

 # frozen_string_literal: true
 
 module Gitlab
-  # Preloading of Vulnerabilities Occurrences.
+  # Preloading of Vulnerabilities Findings.
   #
   # This class can be used to efficiently preload the feedback of a given list of
-  # vulnerabilities (occurrences).
+  # vulnerabilities (findings).
   module Vulnerabilities
-    class OccurrencesPreloader
-      def self.preload!(occurrences)
-        occurrences.all_preloaded.tap do |occurrences|
-          preload_feedback!(occurrences)
+    class FindingsPreloader
+      def self.preload!(findings)
+        findings.all_preloaded.tap do |findings|
+          preload_feedback!(findings)
         end
       end
 
-      def self.preload_feedback!(occurrences)
-        occurrences.each do |occurrence|
-          occurrence.dismissal_feedback
-          occurrence.issue_feedback
-          occurrence.merge_request_feedback
+      def self.preload_feedback!(findings)
+        findings.each do |finding|
+          finding.dismissal_feedback
+          finding.issue_feedback
+          finding.merge_request_feedback
         end
       end
     end