fix disappearing bookmarks (issue #12)

src/main/java/eu/siacs/conversations/ui/StartConversationActivity.java

@@ -1150,6 +1150,12 @@ public class StartConversationActivity extends XmppActivity implements XmppConne
                 if (self.match(this, needle)) {
                     this.contacts.add(self);
                 }
+
+                for (Bookmark bookmark : account.getBookmarks()) {
+                    if (bookmark.match(this, needle)) {
+                        tags.addAll(bookmark.getTags(this));
+                    }
+                }
             }
         }
 
@@ -1764,6 +1770,12 @@ public class StartConversationActivity extends XmppActivity implements XmppConne
                                     ListItem item = getItem(i);
                                     List<ListItem.Tag> itemTags = item.getTags(activity);
 
+                                    if (item instanceof Contact && !((Contact) item).getAccount().getJid().equals(account.getJid())) {
+                                        continue;
+                                    } else if (item instanceof Bookmark && !((Bookmark) item).getAccount().getJid().equals(account.getJid())) {
+                                        continue;
+                                    }
+
                                     if (itemTags.size() == 0 || (itemTags.size() == 1 && UIHelper.isStatusTag(activity, itemTags.get(0)))) {
                                         if (!generalTagAdded) {
                                             tagsAndAccounts.add(initialPosition, generalTag);