NTP legacy view should respect orientation changes (#4838)

Task/Issue URL:
https://app.asana.com/0/1114857721287938/1207910885306190

### Description
Fixes issue when navigating from landscape to portrait in the NTP legacy
view

### Steps to test this PR

_From develop _
- [x] Start app in landscape, open New Tab
- [x] List shows 6 items per row
- [x] Rotate to portrait
- [x] List looks all over the place and icons can’t be read

_From this branch_
- [x] Start app in landscape, open New Tab
- [x] List shows 6 items per row
- [x] Rotate to portrait
- [x] List shows 4 items per row and looks right

Author: malmstein

app/src/main/java/com/duckduckgo/app/browser/newtab/NewTabLegacyPageView.kt

@@ -21,6 +21,7 @@ import android.app.PendingIntent
 import android.content.ActivityNotFoundException
 import android.content.Context
 import android.content.Intent
+import android.content.res.Configuration
 import android.text.Spanned
 import android.util.AttributeSet
 import android.view.View
@@ -128,6 +129,12 @@ class NewTabLegacyPageView @JvmOverloads constructor(
         ViewModelProvider(findViewTreeViewModelStoreOwner()!!, viewModelFactory)[NewTabLegacyPageViewModel::class.java]
     }
 
+    // BrowserTabFragment overrides onConfigurationChange, so we have to do this too
+    override fun onConfigurationChanged(newConfig: Configuration?) {
+        super.onConfigurationChanged(newConfig)
+        configureQuickAccessGridLayout(binding.quickAccessRecyclerView)
+    }
+
     override fun onAttachedToWindow() {
         AndroidSupportInjection.inject(this)
         super.onAttachedToWindow()