Gather hidden files and fix rake task

fixes https://gitlab.ruhr-uni-bochum.de/FDM/rdm-system/antleaf-projectmanagement/-/issues/454#note_228494 and https://gitlab.ruhr-uni-bochum.de/FDM/rdm-system/antleaf-projectmanagement/-/issues/399#note_228617

hyrax/app/services/verify_crc_dataset_import.rb

 require 'json'
 require 'csv'
+require 'find'
 
 class VerifyCRCDatasetImport
   extend ComplexHelper
@@ -66,11 +67,11 @@ class VerifyCRCDatasetImport
       msg = "Error: Import entry #{entry_id} not found"
       return false, msg, paths_compared, nil
     end
-    paths_compared[source_identifier: entry.identifier]
+    paths_compared[:source_identifier] = entry.identifier
 
     # Check import id
     if import_id != entry.importerexporter_id
-      msg = "Error: Importer id #{import_id} does not match id associated with entry #{entry_id}"
+      msg = "Error: Importer id #{import_id} does not match id associated with entry #{entry.importerexporter_id}"
       return false, msg, paths_compared, nil
     end
 
@@ -124,11 +125,16 @@ class VerifyCRCDatasetImport
 
     # Get files to compare
 
-    # -- Get list of files from import directory
-    input_list = Dir.glob(File.join(import_path, '**', '*')).
-      reject {|fn| File.directory?(fn) }.
-      reject{|fn| self.restricted_file_names?(fn.split('/')[-1])}.
-      map{ |fn| fn.sub(import_path, '')}.sort
+    # -- Get list of files from import directory including hidden files
+    input_list = []
+    ::Find.find(import_path) do |fp|
+      unless FileTest.directory?(fp)
+        unless self.restricted_file_names?(fp.split('/')[-1])
+          input_list << fp.sub(import_path, '')
+        end
+      end
+    end
+    input_list.sort
     # ---- downcase folder name
     sanitised_input_list = {}
     input_list.each do |fp|