fix(auth): update dark mode splash

auth/pubspec.yaml

@@ -181,6 +181,6 @@ flutter_native_splash:
     # The image_dark, color_dark, icon_background_color_dark, and branding_dark set values that
     # apply when the device is in dark mode. If they are not specified, the app will use the
     # parameters from above.
-    image_dark: "assets/generation-icons/icon-light.png"
+    image_dark: "assets/generation-icons/icon-light-adaptive-fg.png"
     color_dark: "#000000"
     #icon_background_color_dark: "#eeeeee"

auth/web/index.html

@@ -34,6 +34,8 @@
   
   
   
+  
+  
   <style id="splash-screen-style">
     html {
       height: 100%
@@ -115,6 +117,7 @@
   </picture>
   
   
+  
   <!-- This script installs service_worker.js to provide PWA functionality to
        application. For more information, see:
        https://developers.google.com/web/fundamentals/primers/service-workers -->