Use button in external connection URL.

[samikeijonen]

Fixes #553

Description of the Change

Use button instead of empty <a> without href in external connection URL suggestion.

Benefits

Automatic keyboard support.

Possible Drawbacks

None.

Verification Process

1. Edit external connection.
2. Locate External Connection URL field.
3. Add test URL like http:https://testurl.test.
4. Notice suggestion text below field, "Did you mean: http:https://testurl.test/wp-json" .
5. Verify that you can navigate to that URL button and select it to populate link in the field.

Checklist:

• I have read the CONTRIBUTING document.
• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my change.
• All new and existing tests passed.

Applicable Issues

#553

[dinhtungdu]

Tested and worked great!