Fix closemodal function

Author: CompuIves

packages/app/src/app/components/NewSandbox/index.js

@@ -111,15 +111,15 @@ function NewSandbox({ signals }) {
           height={50}
           text="Dojo 2"
           href={newDojoSandboxUrl()}
-          onClick={() => signals.closeModal()}
+          onClick={() => signals.modalClosed()}
         />
         <Logo
           Icon={CxJSIcon}
           width={50}
           height={50}
           text="CxJS"
           href={newCxJSSandboxUrl()}
-          onClick={() => signals.closeModal()}
+          onClick={() => signals.modalClosed()}
         />
         <Logo
           Icon={GithubIcon}