Fix clipboard issues

app/src/main/java/com/hippo/ehviewer/EhApplication.java

@@ -54,6 +54,7 @@ import com.hippo.network.StatusCodeException;
 import com.hippo.text.Html;
 import com.hippo.unifile.UniFile;
 import com.hippo.util.BitmapUtils;
+import com.hippo.util.ClipboardUtil;
 import com.hippo.util.ExceptionUtils;
 import com.hippo.util.IoThreadPoolExecutor;
 import com.hippo.util.ReadableTime;
@@ -300,6 +301,7 @@ public class EhApplication extends RecordingApplication {
 
         super.onCreate();
 
+        ClipboardUtil.initialize(this);
         GetText.initialize(this);
         StatusCodeException.initialize(this);
         Settings.initialize(this);