checksum_support.rb: Simplify checksum value map

Add Johan's suggestion for simplifying this line. This allows us to get
rid of one of the `#map` calls.

Refs #5416

1 files changed, 1 insertions, 1 deletions

diff --git a/app/models/concerns/checksum_support.rb b/app/models/concerns/checksum_support.rb
index 397a22231..43dd9047c 100644
--- a/app/models/concerns/checksum_support.rb
+++ b/app/models/concerns/checksum_support.rb
@@ -26,7 +26,7 @@ module ChecksumSupport
 
   def checksum_replace_nil_or_empty_values values
     # Replace empty array by nil & nil by VALUE_FOR_NIL_ATTRIBUTE
-    values.map{ |x| x unless x.try(:empty?) }.map{ |x| x || VALUE_FOR_NIL_ATTRIBUTE }.map do |item|
+    values.map { |x| x.present? && x || VALUE_FOR_NIL_ATTRIBUTE }.map do |item|
       item = item.kind_of?(Array) ? checksum_replace_nil_or_empty_values(item) : item
     end
   end