Use __finalized variable to determine finalization

plugins/commands/serve/mappers/config_data.rb

@@ -26,7 +26,6 @@ module VagrantPlugins
           super(
             inputs: [
               Input.new(type: SDK::FuncSpec::Value) { |arg|
-                logger.info("funcspec for config merge checking against: #{arg.type}")
                 arg.type == "hashicorp.vagrant.sdk.Config.Merge" &&
                   !arg&.value&.value.nil?
               }

plugins/commands/serve/util/direct_conversions.rb

@@ -352,10 +352,11 @@ class Hashicorp::Vagrant::Sdk::Args::ConfigData
     instance = klass.new
     d = data.to_ruby
 
-    # Since we are restoring the config, if the data we have
-    # is finalized data, finalize the config before we forcibly
-    # set the instance variables
-    if d.key?("__service_finalized")
+    # Since we are restoring the config, if the config this
+    # represents was already finalized we finalize it first
+    # before we inject the instance variables to get as close
+    # to the correct original state as possible
+    if d.key?("__finalized")
       instance.finalize!
       instance._finalize!
     end