Give explicit names to MobX observer components (#1413)

* Consider observer(...) as components

* Add display names to MobX observers

* Temporarily suppress nested components

* Suppress new false positives for react/prop-types

src/view/com/auth/create/Step3.tsx

@@ -13,7 +13,11 @@ import {ErrorMessage} from 'view/com/util/error/ErrorMessage'
 /** STEP 3: Your user handle
  * @field User handle
  */
-export const Step3 = observer(({model}: {model: CreateAccountModel}) => {
+export const Step3 = observer(function Step3Impl({
+  model,
+}: {
+  model: CreateAccountModel
+}) {
   const pal = usePalette('default')
   return (
     <View>