bug fixes in logstash parsing pipeline

Author: mmguero

dashboards/templates/composable/component/malcolm_common.json

@@ -103,7 +103,7 @@
             },
             "strings": {
               "type": "wildcard",
-              "ignore_above": 4096,
+              "ignore_above": 16384,
               "doc_values": false,
               "normalizer": "lowercase"
             }

logstash/pipelines/filescan/12_normalize.conf

@@ -53,7 +53,7 @@ filter {
         id => "ruby_filescan_strings_truncate"
         tag_on_exception => "_rubyexception_filescan_strings_truncate"
         code => '
-          max_bytes = 32766
+          max_bytes = 16384
           ["[results][strelka][result][scan][strings][strings]"].each do |field_path|
             val = event.get(field_path)
             next if val.nil?