[new downloader][android] fix: Crash on entering to downloader.

android/src/com/mapswithme/maps/downloader/DownloaderAdapter.java

@@ -714,7 +714,12 @@ class DownloaderAdapter extends RecyclerView.Adapter<DownloaderAdapter.ViewHolde
     int position = lm.findFirstVisibleItemPosition();
     int offset = lm.findViewByPosition(position).getTop();
 
+    boolean wasEmpty = mPath.isEmpty();
     mPath.push(new PathEntry(child.id, child.name, position, offset));
+
+    if (wasEmpty)
+      mFragment.clearSearchQuery();
+
     refreshData();
     lm.scrollToPosition(0);
 

android/src/com/mapswithme/maps/downloader/DownloaderFragment.java

@@ -77,8 +77,16 @@ public class DownloaderFragment extends BaseMwmRecyclerFragment
     mToolbarController.showProgress(true);
   }
 
+  void clearSearchQuery()
+  {
+    mToolbarController.clear();
+  }
+
   void cancelSearch()
   {
+    if (!mAdapter.isSearchResultsMode())
+      return;
+
     mAdapter.cancelSearch();
     onSearchEnd();
   }

android/src/com/mapswithme/maps/widget/SearchToolbarController.java

@@ -192,8 +192,6 @@ public class SearchToolbarController extends ToolbarController
   public void showControls(boolean show)
   {
     UiUtils.showIf(show, mContainer);
-    if (show)
-      clear();
   }
 
   public void onActivityResult(int requestCode, int resultCode, Intent data)