[GH-4843] Deletes newly created card after close if no interaction were made in

[jav974]

Summary

After creating a new card, if user does not type into any field or interact with any of the different options and closes the dialog, the card gets removed immediately.

Ticket Link

Fixes #4843

[mattermost-build]

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[jav974]

The implementation differs from the discussion on the ticket, in that the card gets created serverside as usual, but it gets removed if the modal is closed and no interaction were made.
The card is not destroyed if user types something in a field, then deletes it, or adds a new property (even empty) or attachment.

/claim #4843