chore: type a couple easy to type files (#11838)

superset-frontend/src/setup/setupClient.ts

@@ -20,14 +20,16 @@ import { SupersetClient, logging } from '@superset-ui/core';
 import parseCookie from 'src/utils/parseCookie';
 
 export default function setupClient() {
-  const csrfNode = document.querySelector('#csrf_token');
-  const csrfToken = csrfNode ? csrfNode.value : null;
+  const csrfNode = document.querySelector<HTMLInputElement>('#csrf_token');
+  const csrfToken = csrfNode?.value;
 
   // when using flask-jwt-extended csrf is set in cookies
   const cookieCSRFToken = parseCookie().csrf_access_token || '';
 
   SupersetClient.configure({
-    protocol: (window.location && window.location.protocol) || '',
+    protocol: ['http:', 'https:'].includes(window?.location?.protocol)
+      ? (window?.location?.protocol as 'http:' | 'https:')
+      : undefined,
     host: (window.location && window.location.host) || '',
     csrfToken: csrfToken || cookieCSRFToken,
   })