fix build

Author: davemooreuws

src/components/FeedbackForm.tsx

@@ -49,7 +49,7 @@ const FeedbackForm = () => {
     >
       <input
         name="ua"
-        value={navigator.userAgent}
+        value={typeof window !== 'undefined' ? window.navigator.userAgent : ''}
         className="hidden"
         readOnly
       />

src/components/InstallNitric/OSContext.tsx

@@ -17,7 +17,8 @@ export interface OSContextProps {
 
 // this function detects the operating system of the user and returns the name that will be used to sort the instructions
 function detectOS() {
-  const userAgent = window.navigator.userAgent
+  const userAgent =
+    typeof window !== 'undefined' ? window.navigator.userAgent : ''
   if (userAgent.includes('Mac')) {
     return 'macOS'
   } else if (userAgent.includes('Win')) {