Disable TopBar scroll when nestedScrollEnabled is enabled (#5856)

closes #5659

lib/android/app/src/main/java/com/reactnativenavigation/views/topbar/TopBar.java

@@ -245,10 +245,12 @@ public class TopBar extends AppBarLayout implements ScrollEventListener.ScrollAw
 
     public void enableCollapse(ScrollEventListener scrollEventListener) {
         collapsingBehavior.enableCollapse(scrollEventListener);
+        ((AppBarLayout.LayoutParams) root.getLayoutParams()).setScrollFlags(LayoutParams.SCROLL_FLAG_SCROLL);
     }
 
     public void disableCollapse() {
         collapsingBehavior.disableCollapse();
+        ((AppBarLayout.LayoutParams) root.getLayoutParams()).setScrollFlags(0);
     }
 
     public void clearBackgroundComponent() {

lib/android/app/src/test/java/com/reactnativenavigation/views/TopBarTest.java

@@ -2,12 +2,15 @@ package com.reactnativenavigation.views;
 
 import android.app.Activity;
 
+import com.google.android.material.appbar.AppBarLayout;
 import com.reactnativenavigation.BaseTest;
+import com.reactnativenavigation.interfaces.ScrollEventListener;
 import com.reactnativenavigation.utils.UiUtils;
 import com.reactnativenavigation.viewcontrollers.topbar.TopBarController;
 import com.reactnativenavigation.views.topbar.TopBar;
 
 import org.junit.Test;
+import org.mockito.Mockito;
 import org.robolectric.annotation.Config;
 
 import static org.assertj.core.api.Java6Assertions.assertThat;
@@ -42,4 +45,14 @@ public class TopBarTest extends BaseTest {
         uut.setElevation(Double.valueOf(2));
         assertThat(uut.getElevation()).isEqualTo(UiUtils.dpToPx(activity, 2));
     }
+
+    @Test
+    public void disableCollapse_scrollIsDisabled() {
+        AppBarLayout.LayoutParams lp = (AppBarLayout.LayoutParams) uut.getChildAt(0).getLayoutParams();
+        uut.enableCollapse(Mockito.mock(ScrollEventListener.class));
+        assertThat(lp.getScrollFlags()).isEqualTo(AppBarLayout.LayoutParams.SCROLL_FLAG_SCROLL);
+
+        uut.disableCollapse();
+        assertThat(lp.getScrollFlags()).isZero();
+    }
 }