Delete modal close button not working and cancel button working as delete

[sagarsangwan]

Steps to reproduce -

1. Go to scanpipe project details page "/project/<PROJECT_ID>"
2. Press delete/trash button below project name.
3. ISSUE 1 - Try closing modal using close button. It doesn't work.
4. ISSUE 2 - Press "No, Cancel". It deletes the project.

[sagarsangwan]

Issue fixed in this PR #115

[tdruez]

@sagarsangwan thanks for reporting those issues and for providing a PR. Much appreciated.
See 2b31db6 for a solution that does not require inline JS.