Module Editor: Niceties

[draymond63]

• Create a new lesson when opening an empty module in the editor
• Block previews jump around on drag

Completed

• Component kiosk closes a section when you click anywhere (should only close when you click the header)
• Saving changes switches to latest completed lesson in editor (Treats admin as a learner)
• Fix image errors
• Padding between components in a lesson should look more natural
• Text editor doesn't expand for longer paragraphs
• Video in column component is too wide
• Increase font size of text in flip cards
• Standardize add/edit modals in module editor (Confirm vs Save, Edit vs Add copy)
• Match block component throws key error