Feature/prompt save before collection close

[chirag-bruno]

Description

This PR addresses this JIRA ticket. Now, when the user tries to close a collection with items in draft state, they are asked to save the state or discard the changes.

Here is the screenshot of the new dialog that pops up:

Contribution Checklist:

• [X] The pull request only addresses one issue or adds one feature.
• [X] The pull request does not introduce any breaking changes
• [X] I have added screenshots or gifs to help explain the change if applicable.
• [X] I have read the contribution guidelines.
• [X] Create an issue and link to the pull request.