Handle recipient modification callbacks on main thread

// FREEBIE

src/org/thoughtcrime/securesms/MediaPreviewActivity.java

@@ -42,6 +42,7 @@ import org.thoughtcrime.securesms.util.DateUtils;
 import org.thoughtcrime.securesms.util.DynamicLanguage;
 import org.thoughtcrime.securesms.util.SaveAttachmentTask;
 import org.thoughtcrime.securesms.util.SaveAttachmentTask.Attachment;
+import org.thoughtcrime.securesms.util.Util;
 import org.thoughtcrime.securesms.video.VideoPlayer;
 
 import java.io.IOException;
@@ -98,7 +99,7 @@ public class MediaPreviewActivity extends PassphraseRequiredActionBarActivity im
 
   @Override
   public void onModified(Recipient recipient) {
-    initializeActionBar();
+    Util.runOnMain(this::initializeActionBar);
   }
 
   private void initializeActionBar() {

src/org/thoughtcrime/securesms/components/webrtc/WebRtcCallScreen.java

@@ -46,6 +46,7 @@ import org.thoughtcrime.securesms.contacts.avatars.ContactPhotoFactory;
 import org.thoughtcrime.securesms.recipients.Recipient;
 import org.thoughtcrime.securesms.recipients.RecipientModifiedListener;
 import org.thoughtcrime.securesms.service.WebRtcCallService;
+import org.thoughtcrime.securesms.util.Util;
 import org.thoughtcrime.securesms.util.VerifySpan;
 import org.thoughtcrime.securesms.util.ViewUtil;
 import org.webrtc.SurfaceViewRenderer;
@@ -339,9 +340,11 @@ public class WebRtcCallScreen extends FrameLayout implements RecipientModifiedLi
 
   @Override
   public void onModified(Recipient recipient) {
-    if (recipient == this.recipient) {
-      setPersonInfo(recipient);
-    }
+    Util.runOnMain(() -> {
+      if (recipient == WebRtcCallScreen.this.recipient) {
+        setPersonInfo(recipient);
+      }
+    });
   }
 
   public static interface HangupButtonListener {

src/org/thoughtcrime/securesms/database/DatabaseFactory.java

@@ -1299,6 +1299,8 @@ public class DatabaseFactory {
             db.insert("recipient_preferences", null, contentValues);
           }
         }
+
+        if (cursor != null) cursor.close();
       }
 
       if (oldVersion < INTERNAL_SYSTEM_DISPLAY_NAME) {