Pushbullet option is not working

Expected behavior

I expected the app to do something when the user clicks on the "Pushbullet" option. Maybe show a dialog to help the user on the next step or implement the pushbullet option.

Actual behavior

When I create a note, then go to the note Activity, click on the attach icon then clicked on the "Pushbullet" option, nothing happens. Continuous clicking also does nothing.

How to reproduce

• Download the app from play store
• Launch the app
• Add a note by clicking on the floating action button.
• Click on the note to go to the note Activity
• Click on the attach icon on the toolbar
• Click on "Pushbullet" at the bottom of the options
• Nothing happens, continuous clicking also does nothing.

• Version: Version 5.4.5
• Device : Gionee A1 Lite
• Operating system: Android 7.0

Recording Of The Bug