Use generated JSON context

Author: RenderMichael

third_party/dotnet/devtools/src/generator/CodeGen/DomainGenerator.cs

@@ -3,6 +3,7 @@
 using OpenQA.Selenium.DevToolsGenerator.ProtocolDefinition;
 using System;
 using System.Collections.Generic;
+using System.Linq;
 
 namespace OpenQA.Selenium.DevToolsGenerator.CodeGen
 {
@@ -61,7 +62,8 @@ public override IDictionary<string, string> GenerateCode(DomainDefinition domain
                 domain = domainDefinition,
                 className = className,
                 rootNamespace = Settings.RootNamespace,
-                context = context
+                context = context,
+                protocolVersion = Settings.RootNamespace.Split(".").Last()
             });
 
             var outputPath = Utility.ReplaceTokensInPath(Settings.DefinitionTemplates.DomainTemplate.OutputPath, className, context, Settings);

third_party/dotnet/devtools/src/generator/Templates/domain.hbs

@@ -51,15 +51,15 @@ namespace {{rootNamespace}}.{{domain.Name}}
             {{#if NoParameters}}
             command ??= new {{dehumanize Name}}CommandSettings();
             {{/if}}
-            global::System.Text.Json.Nodes.JsonNode serializedCommand = global::System.Text.Json.JsonSerializer.SerializeToNode(command);
+            global::System.Text.Json.Nodes.JsonNode serializedCommand = global::System.Text.Json.JsonSerializer.SerializeToNode(command, {{rootNamespace}}.{{protocolVersion}}JsonSerializerContext.Default);
             global::System.Text.Json.JsonElement? response = await Session.SendCommand(command.CommandName, serializedCommand, cancellationToken, millisecondsTimeout, throwExceptionIfResponseNotReceived).ConfigureAwait(false);
 
             if (response == null)
             {
                 return default({{dehumanize Name}}CommandResponse);
             }
 
-            return global::System.Text.Json.JsonSerializer.Deserialize<{{dehumanize Name}}CommandResponse>(response.Value);
+            return global::System.Text.Json.JsonSerializer.Deserialize<{{dehumanize Name}}CommandResponse>(response.Value, {{rootNamespace}}.{{protocolVersion}}JsonSerializerContext.Default);
         }
 
     {{/each}}