Fix factory to also accept correct 'kbd' tag name alongside existing 'kdb' typo

Agent-Logs-Url: https://github.com/webexpress-framework/WebExpress.WebCore/sessions/7e93c55c-79fd-4d3c-ac96-9948c1ec6d5a

Co-authored-by: ReneSchwarzer <31061438+ReneSchwarzer@users.noreply.github.com>

Author: Copilot

src/WebExpress.WebCore/WebHtml/Parser/HtmlElementFactory.cs

@@ -78,6 +78,8 @@ public class HtmlElementFactory
                 ["em"] = () => new HtmlElementTextSemanticsEm(),
                 ["i"] = () => new HtmlElementTextSemanticsI(),
                 ["kdb"] = () => new HtmlElementTextSemanticsKdb(),
+                // 'kbd' is the correct HTML tag name; 'kdb' mirrors the existing class typo.
+                ["kbd"] = () => new HtmlElementTextSemanticsKdb(),
                 ["mark"] = () => new HtmlElementTextSemanticsMark(),
                 ["q"] = () => new HtmlElementTextSemanticsQ(),
                 ["rp"] = () => new HtmlElementTextSemanticsRp(),