fix: Splash screen

Author: wsdt

mobile/app.json

@@ -88,12 +88,8 @@
                 }
             },
             "splash": {
-                "image": "./assets/mipmap-hdpi/android_splash.png",
-                "mdpi": "./assets/mipmap-mdpi/android_splash.png",
-                "hdpi": "./assets/mipmap-hdpi/android_splash.png",
-                "xhdpi": "./assets/mipmap-xhdpi/android_splash.png",
-                "xxhdpi": "./assets/mipmap-xxhdpi/android_splash.png",
-                "xxxhdpi": "./assets/mipmap-xxxhdpi/android_splash.png"
+                "backgroundColor": "#36797d",
+                "image": "./assets/notification/adaptive-icon-foreground.png"
             },
             "googleServicesFile": "./google-services.json",
             "permissions": [