fix(boilerplate): reworks some mst removal decorators (#2832 by @frankcalise)

Author: frankcalise

boilerplate/app/app.tsx

@@ -101,9 +101,8 @@ function App(props: AppProps) {
   // In iOS: application:didFinishLaunchingWithOptions:
   // In Android: https://stackoverflow.com/a/45838109/204044
   // You can replace with your own loading component if you wish.
-  // @mst replace-next-line if (!isNavigationStateRestored || (!areFontsLoaded && !fontLoadError)) {
   if (
-    !rehydrated ||
+    !rehydrated || // @mst remove-current-line
     !isNavigationStateRestored ||
     !isI18nInitialized ||
     (!areFontsLoaded && !fontLoadError)

boilerplate/app/screens/WelcomeScreen.tsx

@@ -21,7 +21,7 @@ interface WelcomeScreenProps extends AppStackScreenProps<"Welcome"> {}
 
 // @mst replace-next-line export const WelcomeScreen: FC<WelcomeScreenProps> = (
 export const WelcomeScreen: FC<WelcomeScreenProps> = observer(
-  function WelcomeScreen(
+  function WelcomeScreen( // @mst remove-current-line
     _props, // @demo remove-current-line
     // @mst replace-next-line ) => {
   ) {
@@ -81,7 +81,7 @@ export const WelcomeScreen: FC<WelcomeScreenProps> = observer(
     )
     // @mst replace-next-line }
   },
-)
+) // @mst remove-current-line
 
 const $topContainer: ThemedStyle<ViewStyle> = ({ spacing }) => ({
   flexShrink: 1,