fix: Product search recycler view data (#4918)

Fixed the product search recycler view data to show on the screen.

Fixes #4913

app/src/main/java/openfoodfacts/github/scrachx/openfood/features/search/ProductSearchActivity.kt

@@ -606,7 +606,7 @@ class ProductSearchActivity : BaseActivity() {
             binding.productsRecyclerView.run RecyclerView@{
                 this@RecyclerView.setHasFixedSize(true)
                 this@RecyclerView.layoutManager = layoutManager
-                this@RecyclerView.adapter = adapter
+                this@RecyclerView.adapter = this@ProductSearchActivity.adapter
                 this@RecyclerView.addItemDecoration(dividerItemDecoration)
 
                 // Retain an instance so that you can call `resetState()` for fresh searches