For #10848 - Fixes navigationbar colors on tab dialog fragment

app/src/main/java/org/mozilla/fenix/tabtray/TabTrayView.kt

@@ -5,7 +5,6 @@
 package org.mozilla.fenix.tabtray
 
 import android.content.Context
-import android.graphics.drawable.ColorDrawable
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup

app/src/main/java/org/mozilla/fenix/tabtray/TabTrayViewHolder.kt

@@ -29,7 +29,6 @@ import org.mozilla.fenix.ext.removeAndDisable
 import org.mozilla.fenix.ext.removeTouchDelegate
 import org.mozilla.fenix.ext.showAndEnable
 import org.mozilla.fenix.ext.toTab
-import org.mozilla.fenix.theme.ThemeManager
 
 /**
  * A RecyclerView ViewHolder implementation for "tab" items.

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

@@ -538,7 +538,8 @@
 <!--        <item name="android:windowAnimationStyle">@style/Animation.Design.BottomSheetDialog</item>-->
         <item name="android:windowIsFloating">false</item>
         <item name="android:statusBarColor">@android:color/transparent</item>
-        <item name="android:windowTranslucentNavigation">true</item>
+        <item name="android:windowTranslucentNavigation">false</item>
+        <item name="android:navigationBarColor">@color/foundation_normal_theme</item>
     </style>
 
     <!-- Stuff to make the bottom sheet with round top borders -->