Fade in fabs after search is closed.

app/src/main/java/org/thoughtcrime/securesms/conversationlist/ConversationListFragment.java

@@ -661,6 +661,7 @@ public class ConversationListFragment extends MainFragment implements ActionMode
   private boolean closeSearchIfOpen() {
     if (isSearchOpen()) {
       setAdapter(defaultAdapter);
+      fadeInButtonsAndMegaphone(250);
       mainToolbarViewModel.setToolbarMode(MainToolbarMode.FULL);
       conversationListTabsViewModel.onSearchClosed();
       return true;