Migration of jsx files to tsx 2 (#850)

This is to continue the work of migrating all the jsx files into tsx
files.
The MO is basically described here: #848.

About 7 files to go...

src/libs/accessibility.ts

@@ -1,8 +1,8 @@
 import throttle from 'lodash.throttle'
 
-export default {
-  // Throttle for 3 seconds so when a user enables it they don't have to refresh the page.
-  reducedMotionEnabled: throttle(() => {
-    return window.matchMedia("(prefers-reduced-motion: reduce)").matches
-  }, 3000)
-}
+// Throttle for 3 seconds so when a user enables it they don't have to refresh the page.
+const reducedMotionEnabled = throttle(() => {
+  return window.matchMedia("(prefers-reduced-motion: reduce)").matches
+}, 3000)
+
+export { reducedMotionEnabled }