fix sl-input event

ui/src/main.ts

@@ -14,7 +14,7 @@ app.config.isCustomElement = (tag: string) => Boolean(tag.match(/^sl-/));
 
 app.directive("sl-model", {
     beforeMount: (element: Element, binding: DirectiveBinding<string>) => {
-        element.addEventListener("slInput", (event) => {
+        element.addEventListener("sl-input", (event) => {
             const slElement = event?.target as
                 | typeof SlInput.prototype
                 | undefined;