Warning message to appear for unsaved feedback
SUMMARY
As the author of a feedback, I want the usual warning message to appear (cf. #16 (closed)) when I edit the feedback, and leave the editing field without saving it.
ACCEPTANCE CRITERIAS / GOALS
- When adding a feedback text and leaving the text box without pressing the "Save" button, a warning must appear.
- When modifying an existing feedback text and leaving the text box without pressing the "Save" button, a warning must appear.
OTHER DESCRIPTIONS / DOCUMENTATION
If possible, should look as or similar to #16 (closed)