Handle the case where the file reference doesn't have a path (#44410)

Author: robertying

packages/react-native/scripts/cocoapods/privacy_manifest_utils.rb

@@ -67,7 +67,7 @@ def self.read_privacyinfo_file(file_path)
     end
 
     def self.ensure_reference(file_path, user_project, target)
-        reference_exists = target.resources_build_phase.files_references.any? { |file_ref| file_ref.path.end_with? "PrivacyInfo.xcprivacy" }
+        reference_exists = target.resources_build_phase.files_references.any? { |file_ref| file_ref.path&.end_with? "PrivacyInfo.xcprivacy" }
         unless reference_exists
             # We try to find the main group, but if it doesn't exist, we default to adding the file to the project root – both work
             file_root = user_project.root_object.main_group.children.first { |group| group.name == target.name } || user_project
@@ -76,7 +76,12 @@ def self.ensure_reference(file_path, user_project, target)
         end
     end
 
-    def self.get_privacyinfo_file_path(user_project)
+    def self.get_privacyinfo_file_path(user_project, targets)
+        file_refs = targets.flat_map { |target| target.resources_build_phase.files_references }
+        existing_file = file_refs.find { |file_ref| file_ref.path&.end_with? "PrivacyInfo.xcprivacy" }
+        if existing_file
+            return existing_file.real_path
+        end
         # We try to find a file we know exists in the project to get the path to the main group directory
         info_plist_path = user_project.files.find { |file_ref| file_ref.name == "Info.plist" }
         if info_plist_path.nil?