Fix wrong icons being set on suggestion items

The diff util wrongly considered as equal two items with the same text but with different `fromHistory` value

Author: Stypox

app/src/main/java/org/schabi/newpipe/fragments/list/search/SuggestionListAdapter.java

@@ -80,13 +80,14 @@ private static class SuggestionItemCallback extends DiffUtil.ItemCallback<Sugges
         @Override
         public boolean areItemsTheSame(@NonNull final SuggestionItem oldItem,
                                        @NonNull final SuggestionItem newItem) {
-            return oldItem.query.equals(newItem.query);
+            return oldItem.fromHistory == newItem.fromHistory
+                    && oldItem.query.equals(newItem.query);
         }
 
         @Override
         public boolean areContentsTheSame(@NonNull final SuggestionItem oldItem,
                                           @NonNull final SuggestionItem newItem) {
-            return oldItem.equals(newItem);
+            return true; // items' contents never change; the list of items themselves does
         }
     }
 }