TF-874 Fix cursor pointer indicator in composer is wrong color on Android

android/app/src/main/res/values/colors.xml

@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
     <color name="ic_launcher_background">#000000</color>
+    <color name="colorPrimary">#007AFF</color>
 </resources>

android/app/src/main/res/values/styles.xml

@@ -5,7 +5,6 @@
         <!-- Show a splash screen on the activity. Automatically removed when
              Flutter draws its first frame -->
         <item name="android:windowBackground">@drawable/launch_background</item>
-        <item name="android:forceDarkAllowed">false</item>
         <item name="android:windowFullscreen">false</item>
     </style>
     <!-- Theme applied to the Android Window as soon as the process has started.