Apply translucent flag only if needed

This works around a rare edge case where applying the translucent flag
resulted in white screens when pushing or showing modals.
So far, I've managed to reproduce this only when when showing external component as modal in the Wix app.

closes #5742

lib/android/app/src/main/java/com/reactnativenavigation/presentation/Presenter.java

@@ -97,7 +97,7 @@ public class Presenter {
         Window window = activity.getWindow();
         if (options.translucent.isTrue()) {
             window.setFlags(FLAG_TRANSLUCENT_STATUS, FLAG_TRANSLUCENT_STATUS);
-        } else {
+        } else if (StatusBarUtils.isTranslucent(window)) {
             window.clearFlags(FLAG_TRANSLUCENT_STATUS);
         }
     }
@@ -132,7 +132,7 @@ public class Presenter {
         }
     }
 
-    private static void clearDarkTextColorScheme(View view) {
+    private void clearDarkTextColorScheme(View view) {
         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) return;
         int flags = view.getSystemUiVisibility();
         flags &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
@@ -168,7 +168,7 @@ public class Presenter {
         Window window = activity.getWindow();
         if (options.translucent.isTrue()) {
             window.setFlags(FLAG_TRANSLUCENT_STATUS, FLAG_TRANSLUCENT_STATUS);
-        } else if (options.translucent.isFalse()) {
+        } else if (options.translucent.isFalse() && StatusBarUtils.isTranslucent(window)) {
             window.clearFlags(FLAG_TRANSLUCENT_STATUS);
         }
     }

lib/android/app/src/main/java/com/reactnativenavigation/utils/StatusBarUtils.java

@@ -3,7 +3,10 @@ package com.reactnativenavigation.utils;
 import android.content.Context;
 import android.content.res.Resources;
 import android.os.Build;
+import android.view.Window;
+import android.view.WindowManager;
 
+import static android.view.WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS;
 import static com.reactnativenavigation.utils.UiUtils.dpToPx;
 
 public class StatusBarUtils {
@@ -27,4 +30,8 @@ public class StatusBarUtils {
         return statusBarHeight;
     }
 
+    public static boolean isTranslucent(Window window) {
+        WindowManager.LayoutParams lp = window.getAttributes();
+        return (lp.flags & FLAG_TRANSLUCENT_STATUS) == FLAG_TRANSLUCENT_STATUS;
+    }
 }