The Content Translator App installation process is not working properly, the “Automatic Translation” button is not displayed.

When the user install the Content Translator App, a problems occurs and the “Automatic Translation” button is not displayed.
REPRODUCIBILITY LEVEL:
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Always
STEPS:
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Steps
1.Download latest source code that is located at the following location: https://github.com/rivetlogic/liferay-content-translator
2. Using Liferay IDE (https://web.liferay.com/downloads/liferay-projects/liferay-ide)

3. Change the IDE perspective to use Liferay workspace.
4. Create a new Liferay 7.x server, and select the liferay-dxp-digital-enterprise-7.0-sp3 bundle.
5. Import the Liferay Workspace project.
6. In the server add all the available resources except the yandex-translator-test.
7. Start the server.
8. Set the basics configurations.
9. Add the liferay key.
10. In the liferay home page, click on the + icon.
11. Add a “Web Content Display”
12. In the “Web Content Display” click on the (+) icon and select Basic Web Content.
 Note that the “Automatic Translation” button is not displayed.
Video Steps
https://www.screencast.com/t/xw47wfw3gh

CURRENT RESULT:
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App installation process is not working properly, the “Automatic Translation” button is not displayed.

EXPECTED RESULT:
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App installation process should work properly, the “Automatic Translation” button should be displayed after deploying the app.