Various fixes

[frankrousseau]

Problem

• Long names with underscores are not well displayed on the breakdown page.
• It's not possible to add a new element in the middle of a playlist
• In the automation edition, the ready for selector is broken.
• When clicking on a frame tag in a checklist, the selected frame is wrong.

Solution

• Use the right break-word attribute value.
• Handle drop from the entity selector.
• Use the shot task status list instead of the asset status list.
• Add one frame to the frame selected to get the right element.